2021 JEEP COMPASS fuel pressure

SERVICING AND MAINTENANCE
218
Once A Month Or Before A Long Trip
Check engine oil level.
Check windshield washer fluid level.
Check tire pressure and look for unusual
wear or damage. Rotate tires at the first
sign of irregular wear, even if it occurs
before the oil indicator system turns on.
Check the fluid levels of the coolant reser-
voir and brake master cylinder, fill as
needed.
Check function of all interior and exterior
lights.
Control and recovery of additive level for
AdBlue® Diesel emissions (UREA) (if
equipped). At Each Oil Change
Change the engine oil filter.
Inspect the brake hoses and lines.
Inspect for the presence of water in the
fuel filter/water separator unit.
Inspect air cleaner filter if using in dusty
or off-road conditions. Replace air cleaner
filter, if necessary.
Demanding Vehicle Use
Restore additive level for AdBlue® Diesel
emissions (UREA) (if equipped), when the
lamp is illuminated or the message on the
instrument panel.
Maintenance Plan — Diesel Engines
NOTE:
Once you have carried out the last interven -
tion in the table, continue with the sched -
uled servicing, maintaining the frequency
indicated in the plan by marking each oper -
ation with a dot or dedicated note. Simply
restarting the maintenance from the start of
the plan may cause the allowed interval to be
exceeded for some operations.
CAUTION!
Failure to perform the required
maintenance items may result in damage
to the vehicle.
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225
(Continued)
Checking Oil Level
To assure proper engine lubrication, the
engine oil must be maintained at the correct
level. Check the oil level at regular intervals,
such as every fuel stop. The best time to
check the engine oil level is about five
minutes after a fully warmed up engine is
shut off.
Checking the oil while the vehicle is on level
ground will improve the accuracy of the oil
level readings.
There are three possible dipstick types,
Crosshatched zone.
Crosshatched zone marked SAFE.
Crosshatched zone marked with MIN at
the low end of the range and MAX at the
high end of the range.
Crosshatched zone marked with dimples
at the MIN and the MAX ends of the range.
NOTE:
Always maintain the oil level within the
crosshatch markings on the dipstick.
Adding 1 quart (1.0 liters) of oil when the
reading is at the low end of the dipstick
range will raise the oil level to the high end
of the range marking.
Adding Washer Fluid
The fluid reservoir is located in the front of
the engine compartment. Be sure to check
the fluid level in the reservoir at regular inter -
vals. Fill the reservoir with windshield washer
solvent (not radiator antifreeze) and operate
the system for a few seconds to flush out the
residual washer fluid.
When refilling the washer fluid reservoir,
take some washer fluid, apply it to a cloth or
towel, and wipe clean the wiper blades; this
will help blade performance.
WARNING!
Never smoke while working in the engine
compartment: gas and inflammable
vapors may be present, with the risk of
fire.
Be very careful when working in the
engine compartment when the engine is
hot: you may get burned. Do not get too
close to the radiator cooling fan: the
electric fan may start; danger of injury.
Scarves, ties and other loose clothing
might be pulled by moving parts.
CAUTION!
Be careful not to confuse the various
types of fluids while topping up: they are
not compatible with each other! Topping
up with an unsuitable fluid could
severely damage your car.
The oil level must never exceed the MAX
mark.
Always top up using engine oil of the
same specifications as that already in
the engine.
If the engine oil is being topped up, wait
for the engine to cool down before loos-
ening the filler cap, particularly for vehi -
cles with aluminium cap (if equipped).
WARNING: risk of burns!
Overfilling or underfilling the crankcase
will cause aeration or loss of oil pressure.
This could damage your engine.
CAUTION! (Continued)
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SERVICING AND MAINTENANCE
232
RAISING THE VEHICLE
In the case where it is necessary to raise the
vehicle, go to an authorized dealer or service
station.
TIRES
Tires — General Information
Tire Pressure
Proper tire inflation pressure is essential to
the safe and satisfactory operation of your
vehicle. Four primary areas are affected by
improper tire pressure:
Safety
Fuel Economy
Tread Wear
Ride Comfort And Vehicle StabilitySafety
Both underinflation and overinflation affect
the stability of the vehicle and can produce
a feeling of sluggish response or over respon-
siveness in the steering.
NOTE:
Unequal tire pressures from side to side
may cause erratic and unpredictable
steering response.
Unequal tire pressure from side to side
may cause the vehicle to drift left or right.
Fuel Economy
Underinflated tires will increase tire rolling
resistance resulting in higher fuel consump -
tion.
Tread Wear
Improper cold tire inflation pressures can
cause abnormal wear patterns and reduced
tread life, resulting in the need for earlier tire
replacement.
Ride Comfort And Vehicle Stability
Proper tire inflation contributes to a comfort -
able ride. Overinflation produces a jarring
and uncomfortable ride.
CAUTION!
If a transmission fluid leak occurs, visit an
authorized dealer immediately. Severe
transmission damage may occur. An
authorized dealer has the proper tools to
adjust the fluid level accurately. WARNING!
Improperly inflated tires are dangerous
and can cause collisions.
Underinflation increases tire flexing and
can result in overheating and tire failure.
Overinflation reduces a tire's ability to
cushion shock. Objects on the road and
chuckholes can cause damage that
result in tire failure.
Overinflated or underinflated tires can
affect vehicle handling and can fail
suddenly, resulting in loss of vehicle
control.
Unequal tire pressures can cause
steering problems. You could lose
control of your vehicle.
Unequal tire pressures from one side of
the vehicle to the other can cause the
vehicle to drift to the right or left.
Always drive with each tire inflated to the
recommended cold tire inflation pres-
sure.
2020_JEEP_M6_UG_UK.book Page 232

TECHNICAL SPECIFICATIONS
248
* Optional
** The indicated pressure is for comfort. To increase fuel economy the inflation pressure can be increased to a maximum of 44 psi (3.0 bar)
on the front tires and up to 41 psi (2.8 bar) on the rear tires.
Wheels And Tires
Rim SizeTire SizeTire Pressure psi (bar) ** Spare Tire
Sport Model 16 x 6.5 ET40
215/65 R16 98H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear
T165/80 D17* (Compact)
– 225/60 R17 99H* (Full size temporary use with speed limitation)
17 x 7.0 ET40
225/60 R17 99H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear
Longitude Model 17 x 7.0 ET40225/60 R17 99H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear
Limited Model 18 x 7.0 ET40
225/55 R18 98H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear
19 x 7.5 ET40 235/45 R19 95H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear
Trailhawk Model 17 x 6.5 ET40225/60 R17 99H - ALL
SEASON 35 (2.41) Front
32 (2.21) Rear 225/60 R17 (Full size)
S Model 19 x 7.5 ET40 235/45 R19 95H -
3-SEASON 35 (2.41) Front
32 (2.21) Rear T165/80 D17* (Compact)
225/60 R17 99H* (Full size temporary use with speed limitation)
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317
INDEX
A
Accessories ....................................... 260Mopar ........................................... 260
Active Speed Limiter .......................... 149
Adaptive Cruise Control (ACC) (Cruise Con -
trol) .................................................. 151
Adding Fuel ...................................... 167
Additives, Fuel .................................. 250
Air Bag ............................................... 99 Air Bag Operation ........................... 101Air Bag Warning Light ....................... 98
Enhanced Accident Response .. 111 , 211
Event Data Recorder (EDR) ............. 211
If Deployment Occurs ..................... 110
Knee Impact Bolsters ..................... 107
Maintaining Your Air Bag System ..... 113
Maintenance .................................. 113
Redundant Air Bag Warning Light ...... 99
Side Air Bags ................................. 107
Transporting Pets ........................... 127
Air Bag Light ..........................59 , 98 , 129
Air Conditioner Maintenance ............... 227
Air Conditioner Refrigerant ................. 227
Air Conditioner System ....................... 227
Air Conditioning................................... 43
Air Conditioning Filter .................. 44 , 228
Air Conditioning, Operating Tips ............ 44 Air Pressure
Tires ............................................. 233
Alarm Arm The System .............................. 18
Disarm The System .......................... 18
Security Alarm ............................18 , 62
Alarm System Security Alarm ............................18 , 19
Android Auto..............................271 , 302
Antifreeze (Engine Coolant) ................ 254
Anti-Lock Brake System (ABS) .............. 72
Anti-Lock Warning Light ....................... 62
Apple CarPlay ............................272 , 303
Arming System Security Alarm ................................. 18
Assist, Hill Start .................................. 78
Audio Jack .................................270 , 276
Audio Systems (Radio) ................262 , 264
Auto Down Power Windows ................... 45
Auto Up Power Windows ...................... 45
Automatic Headlights .......................... 32
Automatic High Beams ........................ 32
Automatic Temperature Control (ATC) ... 43
Automatic Transaxle .......................... 139 Automatic Transmission......................140
Adding Fluid ..................................259
Fluid Level Check ...........................231
Fluid Type ............................. 231 , 259
Special Additives ............................231
Auxiliary (Power Outlet) ........................52
Auxiliary Electrical Outlet (Power
Outlet) ................................................52
Axle Lubrication .................................259
B
Battery ........................................ 60 , 226
Charging System Light ......................60
Belts, Seat ........................................128
Blind Spot Monitoring ..........................80
Brake Assist System ....................... 73 , 84
Brake Control System, Electronic ...........73
Brake Fluid .......................................259
Brake System ....................................230 Fluid Check ........................... 230 , 259
Master Cylinder ..............................230
Parking ..........................................134 Warning Light...................................59
Brake/Transmission Interlock...............140
Bulb Replacement .............................177
Bulbs, Light ......................................130
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318
INDEX
C
Camera, Rear .................................... 164
Capacities, Fluid................................ 254
Caps, FillerFuel .............................................. 165
Oil (Engine) ................................... 222
Radiator (Coolant Pressure) ............. 230
Car Washes ....................................... 241
Carbon Monoxide Warning .......... 128 , 252
Certification Label ............................. 171
Chains, Tire ...................................... 239
Change Oil Indicator ............................ 56
Changing A Flat Tire .................. 189 , 232
Checking Your Vehicle For Safety ........ 128
Checks, Safety .................................. 128
Child Safety Locks ............................... 23
Cleaning Windshield Wiper Blades ................ 228
Climate Control ................................... 36
Clock Settings ................................... 263
Compact Spare Tire ........................... 238
Computer, Trip/Travel ........................... 59
Cooling Pressure Cap (Radiator Cap) .... 230
Cooling System .................................. 229 Coolant Level ................................. 229
Cooling Capacity ............................ 254Pressure Cap ................................. 230
Radiator Cap.................................. 230
Selection Of Coolant (Antifreeze) ........................ 254 , 255 Cruise Light ............................. 69
, 70 , 71
Customer Assistance .......................... 305
Customer Programmable Features ....... 284
Cybersecurity .................................... 262
D
Daytime Running Lights ..................31 , 32
Dealer Service ................................... 227
Defroster, Windshield......................... 129
Diagnostic System, Onboard ................. 71
Diesel Display Messages ............................. 57
Diesel Fuel ....................................... 252
Diesel Fuel Requirements .................. 252
Dimmer Switch Headlight ...................................31 , 32
Dipsticks Oil (Engine) ................................... 225
Disabled Vehicle Towing .................... 207
Do Not Disturb ...........................293 , 302
Door Ajar .......................................60 , 61
Door Ajar Light ...............................60 , 61
Drag And Drop Menu ......................... 268
Driver’s Seat Back Tilt ......................... 24
E
Electric Brake Control System............... 73 Anti-Lock Brake System.................... 72Traction Control System.................... 80
Electric Parking Brake ....................... 134 Electrical Outlet, Auxiliary (Power
Outlet) ................................................52
Electronic Speed Control (Cruise
Control) .............................................150
Electronic Stability Control (ESC) ..........74
Electronic Throttle Control Warning
Light ...................................................61
Emergency Gas Can Refueling .............204
Emergency, In Case Of Hazard Warning Flasher ..................177
Jacking .................................. 189 , 232
Jump Starting ................................202
Tow Hooks .....................................209
Towing ..........................................207
Emissions..........................................260
Engine ..............................................222 Checking Oil Level ..........................225
Coolant (Antifreeze) ........................255
Cooling ..........................................229Exhaust Gas Caution ............... 128 , 252
Jump Starting ................................202
Oil ........................................ 254 , 255
Oil Filler Cap ..................................222
Oil Selection ..................................254
Overheating....................................204
Starting .........................................131
Enhanced Accident Response
Feature ..................................... 111 , 211
Ethanol .............................................250
Exhaust Gas Cautions ................. 128 , 252
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320
INDEX
J
Jack Location .................................... 189
Jack Operation ...................189, 190 , 232
Jacking Instructions ........................... 190
Jump Starting ................................... 202
K
Key Fob Arm The Alarm................................. 18
Disarm The Alarm ............................ 18Remote Keyless Entry ....................... 13
Keyless Enter-N-Go ........................ 13 , 21
Keys ................................................... 13 Replacement ................................... 14
L
Lane Change And Turn Signals........ 31 , 33
Lane Change Assist .............................. 31
LaneSense ........................................ 162
Lap/Shoulder Belts .............................. 93
Latches............................................. 130 Hood ............................................... 49
Leaks, Fluid ...................................... 130
Life Of Tires ...................................... 235
Liftgate ............................................... 50
Liftgate Window Wiper/Washer .............. 36
Light Bulbs ....................................... 130 Lights............................................... 130
Air Bag .............................. 59 , 98 , 129
Automatic Headlights ....................... 32
Battery Saver ................................... 34
Brake Assist Warning........................ 77
Brake Warning ................................. 59
Bulb Replacement ......................... 177
Cruise .................................. 69 , 70 , 71
Daytime Running ........................31 , 32
Dimmer Switch, Headlight ...........31 , 32
Electronic Stability Program (ESP) Indica- tor............................................... 61
Engine Temperature Warning ............ 61
Exterior ......................................... 130
Fog............................................33 , 68
Headlight Switch ............................. 31
Headlights....................................... 31
Headlights On Reminder................... 33 High Beam ...................................... 32
High Beam/Low Beam Select .......31 , 32
Hill Descent Control Indicator ........... 77
Instrument Cluster ........................... 31
Lights On Reminder ....................31 , 33
Low Fuel ......................................... 63
Malfunction Indicator (Check Engine) ....................................... 64
Park ............................................... 69
Passing ......................................31 , 32 Seat Belt Reminder ..........................62
Security Alarm .................................62
Service ..........................................177
Tire Pressure Monitoring (TPMS) ........86
Traction Control................................77
Turn Signals..................31 , 33 , 69 , 130
Warning Instrument Cluster Descriptions ........................... 61 , 69
Loading Vehicle .................................171
Locks Child Protection ...............................23
Steering Wheel .................................16
Low Tire Pressure System .....................86
Lug Nuts/Bolts ...................................244
Luggage Carrier ....................................54
M
Maintenance........................................48
Maintenance Free Battery ...................226
Maintenance Schedule .......................212
Malfunction Indicator Light (Check
Engine) ...............................................64
Manual Transmission.................. 137 , 231
Fluid Level Check ...........................231
Shift Speeds ..................................137
Memory Feature (Memory Seats)............25
Memory Seat .......................................25
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321
Methanol .......................................... 250
Mini-Trip Computer .............................. 59
Monitor, Tire Pressure System ............... 86
Mopar Accessories ............................. 260
Multi-Function Control Lever................. 31
N
Navigation ........................................ 285
O
Occupant Restraints............................. 90
Octane Rating, Gasoline (Fuel) .... 250, 255
Oil Pressure Light ................................ 61
Oil, Engine ........................................ 255 Capacity ........................................ 254
Checking ....................................... 225
Dipstick ........................................ 225
Filter............................................. 255
Pressure Warning Light ..................... 61
Recommendation ........................... 254Viscosity ........................................ 254
Onboard Diagnostic System .................. 71
Operating Precautions .......................... 71
Overheating, Engine ........................... 204
P
Paddle Shifters .................................. 144
Parking Brake .................................... 134
ParkSense Front And Rear .............................. 156 ParkSense Active Park Assist .............. 159
ParkSense System, Rear .................... 154
Passenger Airbag Disable OFF ............ 101
Passenger Airbag Disable ON.............. 101
Personalized Main Menu .................... 268
Pets ................................................. 127
Phone (Uconnect).............................. 288
Pairing .......................................... 289
Phonebook ........................................ 293
Power Inverter ........................................... 53
Liftgate ........................................... 50
Outlet (Auxiliary Electrical Outlet) ..... 52
Sunroof........................................... 46
Windows ......................................... 45
Pregnant Women And Seat Belts........... 97
Preparation For Jacking...................... 190
R
Radial Ply Tires ................................. 234
Radiator Cap (Coolant Pressure Cap) ... 230
Radio Presets .......................... 264 , 269 , 275
Radio Operation .........................263 , 267
Radio Screens ............................267 , 274
Rain Sensitive Wiper System ................ 35
Rear Camera ..................................... 164
Rear Cross Path................................... 83
Rear ParkSense System ..............154 , 156
Rear Seats, Folding ............................. 24 Rear Wiper/Washer ...............................36
Recreational Towing ...........................175
Release, Hood .....................................49
Reminder, Lights On ...................... 31
, 33
Reminder, Seat Belt .............................92
Remote Control Starting System ................................16
Remote Keyless Entry ...........................13 Arm The Alarm .................................18
Disarm The Alarm .............................18
Remote Starting System .......................16
Replacement Keys ...............................14
Replacement Tires .............................236
Restraints, Head ..................................28
Roll Over Warning ..................................2
Roof Type Carrier .................................54
Rotation, Tires ...................................239
S
Safety Checks Inside Vehicle ...............128
Safety Checks Outside Vehicle.............130
Safety Tips ........................................128
Safety, Exhaust Gas ...........................128
Schedule, Maintenance ......................212
Seat Belt Reminder ..............................62
Seat Belts ................................... 91 , 128
Adjustable Shoulder Belt ...................95
Adjustable Upper Shoulder Anchorage ....................................95
Adjustable Upper Shoulder Belt Anchor -
age ..............................................95
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