STARTING AND OPERATING167
Fuel Economy (ECON) Mode
The Fuel Economy (ECON) mode can improve
the vehicle's overall fuel economy during
normal driving conditions. Push the “econ”
switch in the center stack of the instrument
panel and a green light will indicate the ECON
mode is engaged.
Fuel Economy Mode Switch
When the Fuel Economy (ECON) Mode is
enabled, the vehicle control systems will
change the following:
The transmission will upshift sooner and
downshift later.
The transmission will skip select gears during
shifts to allow the engine to operate at lower
speeds.
The torque converter clutch may engage at
lower engine speeds and remain on longer.
The engine idle speed will be lower.
The overall driving performance will be more
conservative.
Some ECON mode functions may be tempo -
rarily inhibited based on temperature and
other factors.
Six-Speed Automatic Transmission
The transmission gear position display (located
in the instrument cluster) indicates the
transmission gear range. You must press the
brake pedal to move the gear selector out of
PARK refer to “Brake/Transmission Shift
Interlock System” in this section. To drive, move
the gear selector from PARK or NEUTRAL to the
DRIVE position.
The electronically-controlled transmission
provides a precise shift schedule. The
transmission electronics are self-calibrating;
therefore, the first few shifts on a new vehicle
may be somewhat abrupt. This is a normal
condition, and precision shifts will develop
within a few hundred miles (kilometers).
Gear Selector
Only shift from DRIVE to PARK or REVERSE
when the accelerator pedal is released and the
vehicle is stopped. Be sure to keep your foot on
the brake pedal when shifting between these
gears.
The transmission gear selector has only PARK,
REVERSE, NEUTRAL, and DRIVE shift positions.
Manual downshifts can be made using the
Electronic Range Select (ERS) shift control refer
to “Electronic Range Select (ERS) Operation” in
this section for further information. Moving the
gear selector to the left or right (–/+) while in
the DRIVE position will select the highest
available transmission gear, and will display
that gear in the instrument cluster as 1, 2, 3,
etc.5
20_RT_OM_EN_USC_t.book Page 167
170STARTING AND OPERATING
DRIVE (D)
This range should be used for most city and
highway driving. It provides the smoothest
upshifts and downshifts, and the best fuel
economy. The transmission automatically
upshifts through all forward gears. The DRIVE
position provides optimum driving character -
istics under all normal operating conditions.
When frequent transmission shifting occurs
(such as when operating the vehicle under
heavy loading conditions, in hilly terrain,
traveling into strong head winds, or while towing
a heavy trailer), use the Electronic Range Select
(ERS) shift control refer to "Electronic Range
Select (ERS) Operation" in this section for
further information to select a lower gear range.
Under these conditions, using a lower gear range will improve performance and extend
transmission life by reducing excessive shifting
and heat buildup.
During cold temperatures, transmission
operation may be modified depending on
engine and transmission temperature as well
as vehicle speed. This feature improves warm
up time of the engine and transmission to
achieve maximum efficiency. Engagement of
the torque converter clutch is inhibited until the
transmission fluid is warm refer to the “Note”
under “Torque Converter Clutch” in this section.
During extremely cold temperatures (-16°F
[-27°C] or below), operation may briefly be
limited to third gear only. Normal operation will
resume once the transmission temperature has
risen to a suitable level.
Transmission Limp Home Mode
Transmission function is monitored electron
-
ically for abnormal conditions. If a condition is
detected that could result in transmission
damage, Transmission Limp Home Mode is
activated. In this mode, the transmission
remains in THIRD gear regardless of which
forward gear is selected. PARK, REVERSE, and
NEUTRAL will continue to operate. The
Malfunction Indicator Light (MIL) may be illuminated. Limp Home Mode allows the
vehicle to be driven to an authorized dealer for
service without damaging the transmission.
In the event of a momentary problem, the
transmission can be reset to regain all forward
gears by performing the following steps:
1. Stop the vehicle.
2. Shift the transmission into PARK.
3. Turn the ignition OFF.
4. Wait approximately 10 seconds.
5. Restart the engine.
6. Shift into the desired gear range. If the
problem is no longer detected, the
transmission will return to normal
operation.
NOTE:
Even if the transmission can be reset, we
recommend that you visit an authorized dealer
at your earliest possible convenience. An
authorized dealer has diagnostic equipment to
assess the condition of your transmission.
If the transmission cannot be reset, authorized
dealer service is required.
CAUTION!
Towing the vehicle, coasting, or driving for any
other reason with the transmission in
NEUTRAL can cause severe transmission
damage. Refer to “Recreational Towing” in
“Starting And Operating” and “Towing A
Disabled Vehicle” in “What To Do In
Emergencies” for further information.
20_RT_OM_EN_USC_t.book Page 170
172STARTING AND OPERATING
Overdrive Operation
The automatic transmission includes an
electronically controlled Overdrive (SIXTH gear).
The transmission will automatically shift into
Overdrive if the following conditions are
present:
The gear selector is in the DRIVE position.
The transmission fluid has reached an
adequate temperature.
The engine coolant has reached an adequate
temperature.
The vehicle speed is sufficiently high.
The driver is not heavily pressing the
accelerator.
Torque Converter Clutch
A feature designed to improve fuel economy
has been included in the automatic
transmission on your vehicle. A clutch within the
torque converter engages automatically at
calibrated speeds. This may result in a slightly
different feeling or response during normal
operation in the upper gears. When the vehicle
speed drops or during some accelerations, the
clutch automatically disengages. NOTE:
The torque converter clutch will not engage until
the transmission fluid and engine coolant are
warm [usually after 1 to 3 miles (2 to 5 km) of
driving]. Because the engine speed is higher
when the torque converter clutch is not
engaged, it may seem as if the transmission is
not shifting into Overdrive when cold. This is
normal. Using the Electronic Range Select (ERS)
shift control, when the transmission is
sufficiently warm, will demonstrate that the
transmission is able to shift into and out of
Overdrive.
POWER STEERING
The standard Power Steering system will give
you good vehicle response and increased ease
of maneuverability in tight spaces. The system
will provide mechanical steering capability if
power assist is lost.
If for some reason the power assist is
interrupted, it will still be possible to steer your
vehicle. Under these conditions, you will
observe a substantial increase in steering
effort, especially at very low vehicle speeds and
during parking maneuvers.
NOTE:
Increased noise levels at the end of the
steering wheel travel are considered normal
and do not indicate that there is a problem
with the power steering system.
Upon initial start-up in cold weather, the
power steering pump may make noise for a
short amount of time. This is due to the cold,
thick fluid in the steering system. This noise
should be considered normal, and it does not
in any way damage the steering system.
CAUTION!
Prolonged operation of the steering system at
the end of the steering wheel travel will
increase the steering fluid temperature and it
should be avoided when possible. Damage to
the power steering pump may occur.
20_RT_OM_EN_USC_t.book Page 172
STARTING AND OPERATING181
REFUELING THE VEHICLE
The gas cap is located behind the fuel filler door
on the driver’s side of the vehicle. If the gas cap
is lost or damaged, be sure the replacement
cap is for use with this vehicle.
Fuel Filler Cap
NOTE:
The driver's side sliding door cannot be opened
while the fuel door is open. This feature
operates only when the sliding door is fully
closed prior to opening the fuel door. NOTE:When the fuel nozzle “clicks” or shuts off, the
fuel tank is full.
Tighten the fuel filler cap until you hear a
“clicking” sound. This is an indication that the
fuel filler cap is properly tightened.
If the gas cap is not tightened properly, the
MIL may come on. Be sure the gas cap is
tightened every time the vehicle is refueled.
Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that
the fuel filler cap is loose, improperly installed,
or damaged, a ”gASCAP” message will display in
the odometer or a “Check Gascap” message will
display in the instrument cluster. If this occurs,
tighten the fuel filler cap properly and press the
Trip Odometer button to turn off the message. If
the problem continues, the message will appear
the next time the vehicle is started.
A loose, improperly installed, or damaged fuel
filler cap may also turn on the MIL.
CAUTION!
Damage to the fuel system or emissions
control system could result from using an
improper fuel tank filler tube cap. A poorly
fitting cap could let impurities into the fuel
system and may cause the “Malfunction
Indicator Light (MIL)” to turn on, due to fuel
vapors escaping from the system.
To avoid fuel spillage and overfilling, do not
“top off” the fuel tank after filling.
WARNING!
Never have any smoking materials lit in or
near the vehicle when the gas cap is
removed or the tank is being filled.
Never add fuel when the engine is running.
This is in violation of most state and federal
fire regulations and may cause the MIL to
turn on.
A fire may result if gasoline is pumped into
a portable container that is inside of a
vehicle. You could be burned. Always place
gas containers on the ground while filling.
5
20_RT_OM_EN_USC_t.book Page 181
182STARTING AND OPERATING
VEHICLE LOADING
Certification Label
As required by National Highway Traffic Safety
Administration regulations, your vehicle has a
certification label affixed to the driver's side
door or pillar.
This label contains the month and year of
manufacture, Gross Vehicle Weight Rating
(GVWR), Gross Axle Weight Rating (GAWR) front
and rear, and Vehicle Identification Number
(VIN). A Month-Day-Hour (MDH) number is
included on this label and indicates the Month,
Day and Hour of manufacture. The bar code
that appears on the bottom of the label is your
VIN.
Gross Vehicle Weight Rating (GVWR)
The GVWR is the total permissible weight of your
vehicle including driver, passengers, vehicle,
options and cargo. The label also specifies
maximum capacities of front and rear axle
systems (GAWR). Total load must be limited so
GVWR and front and rear GAWR are not
exceeded.
Payload
The payload of a vehicle is defined as the
allowable load weight a truck can carry,
including the weight of the driver, all
passengers, options and cargo.
Gross Axle Weight Rating (GAWR)
The GAWR is the maximum permissible load on
the front and rear axles. The load must be
distributed in the cargo area so that the GAWR
of each axle is not exceeded.
Each axle GAWR is determined by the
components in the system with the lowest load
carrying capacity (axle, springs, tires or wheels).
Heavier axles or suspension components
sometimes specified by purchasers for
increased durability does not necessarily
increase the vehicle's GVWR.
Tire Size
The tire size on the Vehicle Certification Label
represents the actual tire size on your vehicle.
Replacement tires must be equal to the load
capacity of this tire size.
Rim Size
This is the rim size that is appropriate for the tire
size listed.
Inflation Pressure
This is the cold tire inflation pressure for your
vehicle for all loading conditions up to full
GAWR.
Curb Weight
The curb weight of a vehicle is defined as the
total weight of the vehicle with all fluids,
including vehicle fuel, at full capacity
conditions, and with no occupants or cargo
loaded into the vehicle. The front and rear curb
weight values are determined by weighing your
vehicle on a commercial scale before any
occupants or cargo are added.
Loading
The actual total weight and the weight of the
front and rear of your vehicle at the ground can
best be determined by weighing it when it is
loaded and ready for operation.
20_RT_OM_EN_USC_t.book Page 182
190STARTING AND OPERATING
Automatic Transmission
The DRIVE range can be selected when towing.
However, if frequent shifting occurs while in
DRIVE, use the Electronic Range Select (ERS)
shift control to manually select a lower gear
range.
NOTE:
Using a lower gear range while operating the
vehicle under heavy loading conditions, will
improve performance and extend transmission
life by reducing excessive shifting and heat
buildup. This action will also provide better
engine braking.
If you REGULARLY tow a trailer for more than
45 minutes of continuous operation, then
change the transmission fluid and filter as
specified for "police, taxi, fleet, or frequent
trailer towing." Refer to the “Maintenance Plan”
for the proper maintenance intervals. Electronic Range Select (ERS)When using the ERS shift control, select the
highest gear that allows for adequate perfor
-
mance and avoids frequent downshifts. For
example, choose “4” if the desired speed can
be maintained. Choose “3” or “2” if needed
to maintain the desired speed.
To prevent excess heat generation, avoid
continuous driving at high RPM. Reduce
vehicle speed as necessary to avoid
extended driving at high RPM. Return to a
higher gear range or vehicle speed when
grade and road conditions allow.
Speed Control — If Equipped
Do not use on hilly terrain or with heavy
loads.
When using the Speed Control, if you experi -
ence speed drops greater than 10 mph
(16 km/h), disengage until you can get back
to cruising speed.
Use Speed Control in flat terrain and with
light loads to maximize fuel efficiency.
Cooling System
To reduce potential for engine and transmission
overheating, take the following actions:
City Driving
In city traffic — while stopped, place the trans -
mission in NEUTRAL, but do not increase
engine idle speed.
Highway Driving
Reduce speed.
Temporarily turn off air conditioning.
20_RT_OM_EN_USC_t.book Page 190
IN CASE OF EMERGENCY201
M16 –10 Amp Red Airbag Module/Occupant Classification Module
M17 –15 Amp Blue Left Tail/License/Park Lamp, Running Lamps
M18 –15 Amp Blue Right Tail/Park/Run Lamp
M19 –25 Amp Clear Powertrain
M20 –15 Amp BlueInstrument Cluster Interior Light, Switch Bank, Steering
Column Module, Switch Steering Wheel
M21 –20 Amp Yellow Powertrain
M22 –10 Amp Red Horn
M23 –10 Amp Red Horn
M24 –25 Amp Clear Rear Wiper
M25 –20 Amp Yellow Fuel Pump
M26 –10 Amp Red Power Mirror Switch, Driver Window Switch
M27
– 10 Amp Red Wireless Control Module, Keyless Entry Module
M28 –10 Amp Red Powertrain, Transmission Control Module
M29 –10 Amp Red Occupant Classification Module
M30 –15 Amp Blue Diagnostic Feed
M31 –20 Amp Yellow Back-Up Lamps
M32 –10 Amp Red Airbag Module, THATCHUM — If Equipped
M33 –10 Amp Red Powertrain
CavityCartridge Fuse Mini-Fuse Description
6
20_RT_OM_EN_USC_t.book Page 201
202IN CASE OF EMERGENCY
(Continued)
(Continued)
The power windows are fused by a 25 Amp circuit breaker located in the Totally Integrated Power Module.
JACKING AND TIRE CHANGING
M34
–10 Amp RedPark Assist, Heater Climate Control Module, Headlamp
Wash, Compass, Rear Camera, Door Lamps, Flashlight,
Relay Diesel Cabin Heater
M35 –10 Amp Red Heated Mirrors
M36 –20 Amp Yellow Power Outlet #3 (Instrument Panel Or With Console
Center)
M37 –10 Amp Red Antilock Brakes, Stability Control, Stop Lamp, Fuel Pump
M38 –25 Amp Clear Door Lock/Unlock Motors, Liftgate Lock/Unlock Motors
CavityCartridge Fuse Mini-Fuse Description
WARNING!
Do not attempt to change a tire on the side
of the vehicle close to moving traffic. Pull
far enough off the road to avoid the danger
of being hit when operating the jack or
changing the wheel.
Being under a jacked-up vehicle is
dangerous. The vehicle could slip off the
jack and fall on you. You could be crushed.
Never put any part of your body under a
vehicle that is on a jack. If you need to get
under a raised vehicle, take it to a service
center where it can be raised on a lift.
Never start or run the engine while the
vehicle is on a jack.
WARNING! (Continued)
The jack is designed to be used as a tool for
changing tires only. The jack should not be
used to lift the vehicle for service purposes.
The vehicle should be jacked on a firm level
surface only. Avoid ice or slippery areas.
WARNING! (Continued)
20_RT_OM_EN_USC_t.book Page 202