
SERVICING AND MAINTENANCE257
TIRE TYPES
All Season Tires — If Equipped
All Season tires provide traction for all seasons (Spring,
Summer, Autumn, and Winter). Traction levels may vary
between different All Season tires. All Season tires can be
identified by the M+S, M&S, M/S or MS designation on the
tire sidewall. Use All Season tires only in sets of four;
failure to do so may adversely affect the safety and
handling of your vehicle.
Summer Or Three Season Tires —
If Equipped
Summer tires provide traction in both wet and dry
conditions, and are not intended to be driven in snow or on
ice. If your vehicle is equipped with Summer tires, be
aware these tires are not designed for Winter or cold
driving conditions. Install Winter tires on your vehicle when
ambient temperatures are less than 40°F (5°C) or if
roads are covered with ice or snow. For more information,
contact an authorized dealer.
Summer tires do not contain the all season designation or
mountain/snowflake symbol on the tire sidewall. Use
Summer tires only in sets of four; failure to do so may
adversely affect the safety and handling of your vehicle.
Snow Tires
Some areas of the country require the use of snow tires
during the Winter. Snow tires can be identified by a
mountain/snowflake symbol on the tire sidewall.
If you need snow tires, select tires equivalent in
size and type to the original equipment tires.
Use snow tires only in sets of four; failure to do
so may adversely affect the safety and handling
of your vehicle.
Snow tires generally have lower speed ratings than what
was originally equipped with your vehicle and should not be
operated at sustained speeds over 75 mph (120 km/h). For speeds above 75 mph (120 km/h) refer to original
equipment or an authorized tire dealer for recommended
safe operating speeds, loading and cold tire inflation
pressures.
While studded tires improve performance on ice, skid and
traction capability on wet or dry surfaces may be poorer
than that of non-studded tires. Some states prohibit
studded tires; therefore, local laws should be checked
before using these tire types.
WARNING!
Do not use a tire, wheel size, load rating, or speed
rating other than that specified for your vehicle.
Some combinations of unapproved tires and wheels
may change suspension dimensions and perfor -
mance characteristics, resulting in changes to
steering, handling, and braking of your vehicle.
This can cause unpredictable handling and stress to
steering and suspension components. You could
lose control and have a collision resulting in serious
injury or death. Use only the tire and wheel sizes with
load ratings approved for your vehicle.
Never use a tire with a smaller Load Index or capacity
other than what was originally equipped on your
vehicle. Using a tire with a smaller Load Index could
result in tire overloading and failure. You could lose
control and have a collision.
Failure to equip your vehicle with tires having
adequate speed capability can result in sudden tire
failure and loss of vehicle control.
CAUTION!
Replacing original tires with tires of a different size may
result in false speedometer and odometer readings.
WARNING!
Do not use Summer tires in snow/ice conditions. You
could lose vehicle control, resulting in severe injury or
death. Driving too fast for conditions also creates the
possibility of loss of vehicle control.
8
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SERVICING AND MAINTENANCE259
(Continued)
SNOW TRACTION DEVICES
Use of traction devices require sufficient tire-to-body clearance. Due to limited clearance, the following snow traction devices are recommended. Follow these recommendations to
guard against damage:
Snow traction device must be of proper size for the tire, as recommended by the snow traction device manufacturer.
No other tire sizes are recommended for use with the snow traction device.
Please follow the table for the recommended tire size, axle and snow traction device:
Trim Level AxleTire/Wheel Size Snow Traction Device
(Maximum Projection Beyond Tire Profile Or Equivalent)
GT
GT Plus Front
215/60R177mm Cable or Chain
WARNING!
Using tires of different size and type (M+S, Snow)
between front and rear axles can cause unpredictable
handling. You could lose control and have a collision.
CAUTION!
To avoid damage to your vehicle or tires, observe the
following precautions:
Because of restricted traction device clearance
between tires and other suspension components, it
is important that only traction devices in good condi -
tion are used. Broken devices can cause serious
damage. Stop the vehicle immediately if noise occurs
that could indicate device breakage. Remove the
damaged parts of the device before further use.
Install device as tightly as possible and then retighten
after driving about ½ mile (0.8 km). Autosock traction
devices do not require retightening.
Do not exceed 30 mph (48 km/h).
Drive cautiously and avoid severe turns and large
bumps, especially with a loaded vehicle.
Do not drive for a prolonged period on dry pavement.
Observe the traction device manufacturer’s instruc -
tions on the method of installation, operating speed,
and conditions for use. Always use the suggested
operating speed of the device manufacturer’s if it is
less than 30 mph (48 km/h).
Do not use traction devices on a compact spare tire.
CAUTION!
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260SERVICING AND MAINTENANCE
TIRE ROTATION RECOMMENDATIONS
The tires on the front and rear of your vehicle operate at
different loads and perform different steering, handling,
and braking functions. For these reasons, they wear at
unequal rates.
These effects can be reduced by timely rotation of tires.
The benefits of rotation are especially worthwhile with
aggressive tread designs such as those on On/Off Road
type tires. Rotation will increase tread life, help to
maintain mud, snow, and wet traction levels, and
contribute to a smooth, quiet ride.
For the proper maintenance intervals
Úpage 224. The
reasons for any rapid or unusual wear should be corrected
prior to rotation being performed.
The suggested rotation method is the “forward cross”
shown in the following diagram. This rotation pattern does
not apply to some directional tires that must not be
reversed.
Tire Rotation (Forward Cross)
DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES
The following tire grading categories
were established by the National
Highway Traffic Safety Administration.
The specific grade rating assigned by the
tire's manufacturer in each category is
shown on the sidewall of the tires on
your vehicle. All passenger vehicle tires must conform
to Federal safety requirements in
addition to these grades.
TREADWEAR
The Treadwear grade is a comparative
rating, based on the wear rate of the tire
when tested under controlled conditions
on a specified government test course.
For example, a tire graded 150 would
wear one and one-half times as well on
the government course as a tire graded
100. The relative performance of tires
depends upon the actual conditions of
their use, however, and may depart
significantly from the norm due to
variations in driving habits, service
practices, and differences in road
characteristics and climate.
CAUTION!
Proper operation of four-wheel drive vehicles depends
on tires of equal size, type and circumference on each
wheel. Any difference in tire size can cause damage to
the power transfer unit. Tire rotation schedule should
be followed to balance tire wear.
23_GG_OM_EN_USC_t.book Page 260

SERVICING AND MAINTENANCE261
TRACTION GRADES
The Traction grades, from highest to
lowest, are AA, A, B, and C. These grades
represent the tire's ability to stop on wet
pavement, as measured under
controlled conditions on specified
government test surfaces of asphalt and
concrete. A tire marked C may have poor
traction performance.
TEMPERATURE GRADES
The Temperature grades are A (the
highest), B, and C, representing the tire's
resistance to the generation of heat and
its ability to dissipate heat, when tested
under controlled conditions on a
specified indoor laboratory test wheel. Sustained high temperature can cause
the material of the tire to degenerate
and reduce tire life, and excessive
temperature can lead to sudden tire
failure. The grade C corresponds to a
level of performance, which all
passenger vehicle tires must meet
under the Federal Motor Vehicle Safety
Standard No. 109. Grades B and A
represent higher levels of performance
on the laboratory test wheel, than the
minimum required by law.
STORING THE VEHICLE
If you are storing your vehicle for more than three weeks,
we recommend that you take the following steps to
minimize the drain on your vehicle's battery:
Disconnect the negative cable from battery.
If your vehicle is equipped with Stop/Start system then
disconnect both the main and supplemental negative
battery cables.
Any time you store your vehicle or keep it out of service
(i.e., vacation) for two weeks or more, run the air condi -
tioning system at idle for about five minutes in the
fresh air and high blower setting. This will ensure
adequate system lubrication to minimize the possibility
of compressor damage when the system is started
again.
If assistance is needed to disconnect the battery
system, see an authorized dealer
NOTE:When the vehicle has not been started or driven for at
least 30 days, an “Extended Park Starting Procedure” is
required to start the vehicle
Úpage 80.
WARNING!
The traction grade assigned to this tire is based on
straight-ahead braking traction tests, and does not
include acceleration, cornering, hydroplaning, or peak
traction characteristics.
WARNING!
The temperature grade for this tire is established for a
tire that is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading,
either separately or in combination, can cause heat
buildup and possible tire failure.
CAUTION!
Before removal of the positive and negative terminals
to the battery, wait at least a minute with ignition switch
in the OFF position and close the driver’s door. When
reconnecting the positive and negative terminals to the
battery be sure the ignition switch is in the OFF position
and the driver’s door is closed.
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279
E
Electric Brake Control System..................................... 155 Anti-Lock Brake System ......................................... 154
Traction Control System ................................ 157
, 158
Electric Parking Brake ....................................................82
Electrical Power Outlets..................................................52 Electronic Stability Control (ESC) ................................ 156
Electronic Throttle Control Warning Light...................... 72Emergency Braking ...................................................... 164
Emergency Gas Can Refueling .................................... 217
Emergency, In Case Of Hazard Warning Flasher ......................................... 203
Jacking..................................................................... 206
Jump Starting .......................................................... 215
Towing ..................................................................... 220
Emission Control System Maintenance.........................79
Engine ........................................................................... 226 Air Cleaner ............................................................... 229Break-In Recommendations ..................................... 82
Checking Oil Level .................................................. 227Compartment .......................................................... 226
Compartment Identification ................................... 226Coolant (Antifreeze) ................................................ 269
Cooling..................................................................... 233
Exhaust Gas Caution .............................................. 202
Fails To Start .............................................................. 81
Flooded, Starting ....................................................... 81
Fuel Requirements ................................................. 266 Jump Starting .......................................................... 215
Oil ...........................................................228
, 268, 269
Oil Filler Cap ............................................................ 226 Oil Filter ....................................................................228
Oil Selection ................................................... 228
, 268
Oil Synthetic ............................................................. 228
Overheating ............................................................. 218
Starting....................................................................... 80
Enhanced Accident Response Feature ............. 184
, 222
Ethanol .......................................................................... 266
Exhaust Gas Cautions ..................................................202
Exhaust System .................................................. 202
, 232
Exterior Lighting .............................................................. 40
Exterior Lights ........................................................40
, 201
FFilters Air Cleaner ............................................................... 229
Air Conditioning ................................................50
, 230
Engine Oil ................................................................. 228
Engine Oil Disposal..................................................228
Flashers Hazard Warning ....................................................... 203
Turn Signals ...............................................42
, 77, 201
Flash-To-Pass .................................................................. 41
Flat Tire Changing ............................................... 246
, 258
Flat Tire Stowage ................................................ 246, 258
Flooded Engine Starting ................................................. 81
Floor Console .................................................................. 51
Fluid Capacities ............................................................268
Fluid Leaks ....................................................................201
Fluid Level Checks Brake ........................................................................ 236
Engine Oil ................................................................. 227 Fluid, Brake................................................................... 269
Fold-Flat Seats ................................................................ 28
Folding Rear Seats ......................................................... 28
Forward Collision Warning ........................................... 162
Freeing A Stuck Vehicle ............................................... 219
Fuel................................................................................ 266
Additives .................................................................. 267
Clean Air .................................................................. 266
Ethanol..................................................................... 266Filler Cap (Gas Cap) ................................................ 119Gasoline ................................................................... 266
Light ........................................................................... 75
Materials Added ...................................................... 267
Methanol ................................................................. 266
Octane Rating.................................................266
, 269
Specifications .......................................................... 269
Tank Capacity .......................................................... 268
Fuses ............................................................................. 237
GGarage Door Opener (HomeLink®)............................... 36
Gas Cap (Fuel Filler Cap) ............................................. 119
Gasoline, (Fuel) ............................................................ 266
Gasoline, Clean Air ....................................................... 266
Gasoline, Reformulated ............................................... 266
Gear Ranges ................................................................... 86
Gear Selector Override................................................. 218
Gear Shift Indicator ........................................................ 68 Glass Cleaning .............................................................. 264
Gross Axle Weight Rating ............................................. 121
Gross Vehicle Weight Rating ....................................... 121
GVWR ............................................................................ 120
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281
Headlight Switch ........................................................40
Headlights ..................................................................40
Headlights On With Wipers .......................................41
High Beam...........................................................40
, 78
High Beam/Low Beam Select ...................................40
Hood Open .................................................................73
Intensity Control ..................................................42
, 43
Interior ........................................................................42
LaneSense .................................................................75
Liftgate Open.............................................................. 73
Lights On Reminder ...................................................41
Low Fuel .....................................................................75
Malfunction Indicator (Check Engine) ...................... 75
Oil Pressure ................................................................73
Oil Temperature .........................................................73
Park ............................................................................77
Passing ....................................................................... 41
Seat Belt Reminder ...................................................73
Security Alarm ............................................................73
Service ..................................................................... 246
Service Forward Collision Warning ...........................75
Service Stop Start ...................................................... 75
Stop Start Active ........................................................77
Tire Pressure Monitoring (TPMS) .................... 75
, 165
Towing Hook Breakdown...........................................76
Traction Control ...................................................... 157
Transmission Temperature .......................................76
Turn Signals ....................................... 40
, 42, 77, 201
Vanity Mirror............................................................... 34
Loading Vehicle ............................................................ 120 Tires ......................................................................... 251
Locks Auto Unlock ................................................................25
Child Protection .........................................................25
Power Door .................................................................22 Low Tire Pressure System ............................................165
Lubrication, Body .......................................................... 230
Lug Nuts/Bolts .............................................................. 265
MMaintenance ................................................................... 58
Maintenance Free Battery ...........................................227
Maintenance Schedule ................................................ 223
Malfunction Indicator Light (Check Engine) .................. 75Manual Service .....................................................................274
Memory Feature (Memory Seats) .................................. 27
Memory Seat ................................................................... 27 Memory Settings............................................................. 27
Methanol ....................................................................... 266
Mirrors ............................................................................. 34 Automatic Dimming................................................... 34
Heated................................................................. 34
, 36
Outside ................................................................ 34, 35
Rearview ...........................................................34, 203
Vanity.......................................................................... 34
Modifications/Alterations Vehicle.......................................................................... 8
Monitor, Tire Pressure System..................................... 165
Mopar Parts .................................................................. 273
Multi-Function Control Lever .......................................... 40
NNew Vehicle Break-In Period .......................................... 82
OOccupant Restraints ..................................................... 168
Octane Rating, Gasoline (Fuel) .......................... 266, 269
Oil Change Reset
b
...................................................... 68 Oil Filter, Change .......................................................... 228
Oil Filter, Selection ....................................................... 228
Oil Pressure Light ........................................................... 73
Oil, Engine ............................................................ 228
, 269
Capacity ................................................................... 268
Checking .................................................................. 227
Dipstick .................................................................... 227
Disposal ................................................................... 228
Filter ......................................................................... 228
Filter Disposal.......................................................... 228
Identification Logo .................................................. 228
Materials Added To ................................................. 228 Pressure Warning Light ............................................ 73
Recommendation...........................................228
, 268
Synthetic .................................................................. 228
Viscosity ................................................................... 268
Onboard Diagnostic System .......................................... 78
Operator Manual Owner's Manual ...................................................... 274
Outlet Power ......................................................................... 52
Outside Rearview Mirrors ....................................... 34
, 35
Overheating, Engine ..................................................... 218
PPaint Care ..................................................................... 262
Panic Alarm ..................................................................... 13 Parking Brake ................................................................. 82
ParkSense Front And Rear ........................................................ 105
ParkSense Active Park Assist ...................................... 108
ParkSense System ....................................................... 105
Pedestrian Warning System ........................................ 164
Performance .......................................................... 69
, 152
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283
Selection Of Coolant (Antifreeze) ................................ 269
Sentry Key (Immobilizer).................................................16
Service Assistance ....................................................... 270
Service Contract ........................................................... 272
Service Manuals........................................................... 274
Shift Lever Override ..................................................... 218
ShiftingAutomatic Transmission............................................86
Shoulder Belts .............................................................. 170
Side Distance Warning ................................................ 107
Side View Mirror Adjustment ................................... 34
, 35
Signals, Turn................................................... 42, 77, 201
Snow Chains (Tire Chains)........................................... 259
Snow Tires .................................................................... 257
Spare Tires ................................................................... 258
Specifications Fuel (Gasoline) ........................................................ 269Oil ............................................................................. 269
Speedometer...................................................................69
Starting ..................................................................... 18
, 80
Automatic Transmission............................................80
Button .........................................................................16
Cold Weather ............................................................. 81
Engine Fails To Start..................................................81
Remote ....................................................................... 18
Starting And Operating ...................................................80 Starting Procedures ........................................................80
Steering Tilt Column .................................................................26
Wheel, Heated ...........................................................26
Wheel, Tilt...................................................................26
Steering Wheel Audio Controls ................................... 150
Steering Wheel Mounted Sound System Controls..... 150
Storage ............................................................................50
Storage, Vehicle .............................................................. 50 Stuck, Freeing ............................................................... 219
Sun Roof ................................................................... 56
, 58
Sun Visor ......................................................................... 34
Supplemental Restraint System – Air Bag ..................176
Surround View Camera System ...................................117
Synthetic Engine Oil ...................................................... 228
System, Remote Starting ............................................... 18
TTelescoping Steering Column ........................................ 26
Temperature Control, Automatic (ATC) ......................... 49 Tie Down Hooks, Cargo .................................................. 64
Tilt Steering Column ....................................................... 26
Time Delay Headlight .................................................................... 41
Tire And Loading Information Placard ......................... 251
Tire Inflator Kit — If Equipped
b
................................ 211
Tire Markings ................................................................ 246
Tire Safety Information................................................. 246
Tire Service Kit .............................................................. 211
Tires ................................................... 201
, 254, 258, 260
Aging (Life Of Tires) ................................................. 256
Air Pressure.............................................................. 254
Chains ...................................................................... 259
Changing .................................................................. 206
Compact Spare ........................................................ 258
General Information ...................................... 254
, 258
High Speed .............................................................. 255
Inflation Pressure ....................................................254 Jacking .....................................................................206
Life Of Tires .............................................................. 256
Load Capacity .......................................................... 251
Pressure Monitoring System (TPMS) ..............75
, 165
Quality Grading ........................................................ 260 Radial ....................................................................... 255
Replacement ........................................................... 256
Rotation ................................................................... 260
Safety .............................................................. 246
, 254
Sizes......................................................................... 247
Snow Tires ............................................................... 257 Spare Tires .............................................................. 258Spinning ................................................................... 255
Trailer Towing .......................................................... 124
Tread Wear Indicators ............................................ 256
Wheel Nut Torque ................................................... 265
To Open Hood ................................................................. 58
Tongue Weight/Trailer Weight..................................... 123
Towing ........................................................................... 121 Disabled Vehicle...................................................... 220
Guide........................................................................ 122
Recreational ............................................................ 126
Weight ...................................................................... 122
Towing Behind A Motorhome ...................................... 126
Towing Eyes .................................................................. 221
Traction ......................................................................... 127
Traction Control ...................................................157
, 158
Traffic Sign Recognition System............................. 76, 99
Trailer Towing ............................................................... 121 Minimum Requirements ......................................... 123Tips........................................................................... 125
Trailer And Tongue Weight ..................................... 123
Wiring ....................................................................... 124
Trailer Towing Guide .................................................... 122
Trailer Weight................................................................ 122
Transaxle Automatic .................................................................. 85
Operation ................................................................... 85
Transfer Case Fluid ......................................................................... 269
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