check oil JEEP COMPASS 2023 User Guide

282SERVICING AND MAINTENANCE
(Continued)
Do not overfill the coolant expansion bottle.
Check the coolant freeze point in the radiator
and in the coolant expansion bottle. If engine
coolant needs to be added, the contents of the
coolant expansion bottle must also be protected
against freezing.
If frequent engine coolant additions are
required, the cooling system should be pressure
tested for leaks.
Maintain engine coolant concentration at a
minimum of 50% OAT coolant (conforming to
MS.90032) and distilled water for proper corro-
sion protection of your engine which contains
aluminum components.
Make sure that the coolant expansion bottle
overflow hoses are not kinked or obstructed.
Keep the front of the radiator clean. If your
vehicle is equipped with air conditioning, keep
the front of the condenser clean.
Do not change the thermostat for Summer or
Winter operation. If replacement is ever neces -
sary, install ONLY the correct type thermostat.
Other designs may result in unsatisfactory
engine cooling performance, poor gas mileage,
and increased emissions.
BRAKE SYSTEM
In order to ensure brake system performance, all
brake system components should be inspected
periodically. For the proper maintenance intervals
Ú page 268.
Brake Master Cylinder
The fluid in the master cylinder should be checked
when performing under hood services or
immediately if the Brake Warning Light is
illuminated.
Be sure to clean the top of the master cylinder area
before removing the cap. If necessary, add fluid to
bring the fluid level up to the requirements
described on the brake fluid reservoir. With disc
brakes, fluid level can be expected to fall as the
brake pads wear. Brake fluid level should be
checked when pads are replaced. However, low
fluid level may be caused by a leak and a checkup
may be needed. Use only the manufacturer recommended brake
fluid Ú
page 324.
WARNING!

Riding the brakes can lead to brake failure and
possibly a collision. Driving with your foot resting or
riding on the brake pedal can result in abnormally
high brake temperatures, excessive lining wear,
and possible brake damage. You would not have
your full braking capacity in an emergency.

WARNING!
Use only the manufacturer recommended
brake fluid Úpage 324. Using the wrong type
of brake fluid can severely damage your brake
system and/or impair its performance. The
proper type of brake fluid for your vehicle is
also identified on the original factory installed
hydraulic master cylinder reservoir.
To avoid contamination from foreign matter or
moisture, use only new brake fluid or fluid that
has been in a tightly closed container. Keep
the master cylinder reservoir cap secured at
all times. Brake fluid in a open container
absorbs moisture from the air resulting in a
lower boiling point. This may cause it to boil
unexpectedly during hard or prolonged
braking, resulting in sudden brake failure.
This could result in a collision.
Overfilling the brake fluid reservoir can result
in spilling brake fluid on hot engine parts,
causing the brake fluid to catch fire. Brake
fluid can also damage painted and vinyl
surfaces, care should be taken to avoid its
contact with these surfaces.

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319
TECHNICAL SPECIFICATIONS
VEHICLE IDENTIFICATION NUMBER (VIN)
The VIN is found on the left front corner of the
windshield and is visible from the outside of the
vehicle.
Vehicle Identification Number

NOTE:It is illegal to remove or alter the VIN.
BRAKE SYSTEM
Your vehicle is equipped with power assisted
brakes as standard equipment. In the event power
assist is lost for any reason (for example, repeated
brake applications with the engine off), the brakes will still function. However, the effort required to
brake the vehicle will be much greater than that
required with the power system operating.
If either of the two hydraulic systems lose normal
capability, the remaining system will still function
with some loss of overall braking effectiveness.
This will be evident by increased pedal travel
during application and greater pedal force
required to slow or stop. In addition, if the
malfunction is caused by an internal leak, as
the brake fluid in the master cylinder drops, the
Brake Warning Light will light.
WHEEL AND TIRE TORQUE SPECIFICATIONS
Proper lug nut/bolt torque is very important to
ensure that the wheel is properly mounted to the
vehicle. Any time a wheel has been removed and
reinstalled on the vehicle, the lug nuts/bolts
should be torqued using a properly calibrated
torque wrench using a six-sided (hex) deep wall
socket.
TORQUE SPECIFICATIONS
**Use only authorized dealer recommended lug
nuts/bolts and clean or remove any dirt or oil
before tightening.
Inspect the wheel mounting surface prior to
mounting the tire and remove any corrosion or
loose particles.
WARNING!
Driving a vehicle with the Brake Warning Light on
is dangerous. A significant decrease in braking
performance or vehicle stability during braking
may occur. It will take you longer to stop the
vehicle or will make your vehicle harder to
control. You could have a collision. Have the
vehicle checked immediately.
Lug Nut/Bolt
Torque
**Lug Nut/
Bolt SizeLug Nut/Bolt
Socket Size
100 Ft-Lb
(135 N·m) M12 x 1.25 19 mm
9

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330 Brake System
...................................... 282, 319Anti-Lock (ABS).......................................... 319Fluid Check..................................... 282, 324Master Cylinder......................................... 282Parking...................................................... 103Warning Light.............................................. 90Brake/Transmission Interlock....................... 107Brightness, Interior Lights......................... 46, 47Bulb Replacement......................................... 291Bulbs, Light.................................................... 242
C
Camera, Rear...................................... 148, 150Capacities, Fuel............................................. 323Caps, Filler Fuel........................................................... 152Oil (Engine)................................................ 271Radiator (Coolant Pressure)...................... 281Car Washes................................................... 316Carbon Monoxide Warning............................ 243Cargo Area Cover............................................. 70Cargo Load Floor............................................. 70Cargo Tie-Downs....................................... 70, 71Cellular Phone............................................... 186Certification Label......................................... 153Chains, Tire.................................................... 311Change Oil Indicator........................................ 80Changing A Flat Tire....................................... 247Chart, Tire Sizing............................................ 299
Check Engine Light
(Malfunction Indicator Light)............................ 99Checking Your Vehicle For Safety................. 240Checks, Safety.............................................. 240Child Restraint.............................................. 228Child RestraintsBooster Seats........................................... 231Child Seat Installation.............................. 239How To Stow An unused ALR Seat Belt.... 236Infant And Child Restraints....................... 230Lower Anchors And TethersFor Children......................................... 233Older Children And Child Restraints......... 230Seating Positions...................................... 232Child Safety Locks........................................... 25Clean Air Gasoline......................................... 320CleaningWheels..................................................... 315Windshield Wiper Blades.......................... 275Climate Control................................................ 50Automatic.................................................... 50Manual........................................................ 53Coin Holder...................................................... 58Cold Weather Operation............................... 101Compact Spare Tire...................................... 310ConnectorUniversal Consumer Interface (UCI)............. 58Console............................................................ 58Floor............................................................ 58
Contract, Service........................................... 326Cooling Pressure Cap (Radiator Cap)............ 281Cooling System............................................. 279Adding Coolant (Antifreeze)...................... 280Coolant Level................................... 280, 281Cooling Capacity....................................... 323Disposal Of Used Coolant......................... 281Drain, Flush, And Refill............................. 280Inspection................................................. 281Points To Remember................................ 281Pressure Cap............................................ 281Radiator Cap............................................. 281Selection Of Coolant (Antifreeze)..... 280, 323Corrosion Protection..................................... 315Cruise Control (Speed Control)...................... 116Cruise Light............................................... 97, 98Customer Assistance.................................... 325Cybersecurity................................................ 164
D
Daytime Running Lights............................43, 44Defroster, Windshield................................... 241Dimmer SwitchHeadlight..............................................43, 44DipsticksOil (Engine)............................................... 272Disabled Vehicle Towing............................... 264DisposalAntifreeze (Engine Coolant)...................... 281

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331
Door Ajar
................................................... 90, 91Door Ajar Light.......................................... 90, 91Driver’s Seat Back Tilt..................................... 28Driving........................................................... 161
E
Easy Entry Seats.............................................. 33Electric Brake Control System....................... 188Anti-Lock Brake System............................. 187Traction Control System.................. 191, 194Electric Parking Brake................................... 103Electrical Power Outlets................................... 59Electronic Stability Control (ESC)...................189Electronic Throttle Control Warning Light........ 91Emergency Braking........................................ 200Emergency Gas Can Refueling...................... 260Emergency, In Case Of Hazard Warning Flasher............................ 244Jacking...................................................... 247Jump Starting............................................ 258Tow Hooks................................................. 266Towing....................................................... 264Emission Control System Maintenance........... 99Engine........................................................... 271Air Cleaner................................................. 274Block Heater............................................. 102Break-In Recommendations...................... 102Checking Oil Level..................................... 272Coolant (Antifreeze)................................... 323
Cooling..................................................... 279Exhaust Gas Caution................................ 243Fails To Start............................................ 101Flooded, Starting...................................... 101Jump Starting........................................... 258Oil.................................................... 273, 323Oil Filler Cap............................................. 271Oil Filter.................................................... 274Oil Selection.................................... 273, 323Oil Synthetic............................................. 273Overheating.............................................. 261Starting..................................................... 100Enhanced Accident Response
Feature................................................ 224, 266Ethanol......................................................... 321Exhaust Gas Cautions................................... 243Exhaust System................................... 243, 278Exterior Lighting........................................ 43, 44Exterior Lights.........................................43, 242
F
FiltersAir Cleaner
................................................ 274Air Conditioning..................................57, 275Engine Oil........................................ 274, 323Engine Oil Disposal................................... 274FlashersHazard Warning........................................ 244Turn Signals.........................43, 46, 97, 242
Flash-To-Pass............................................ 43, 45Flat Tire Changing................................ 298, 310Flat Tire Stowage................................. 298, 310Flooded Engine Starting................................ 101Floor Console...................................................58Fluid Capacities............................................ 323Fluid Leaks.................................................... 242Fluid Level ChecksBrake........................................................ 282Engine Oil................................................. 272Fluid, Brake................................................... 324Fog Lights.................................................43, 46Fold-Flat Seats.................................................28Folding Rear Seats...........................................30Forward Collision Warning............................ 198Freeing A Stuck Vehicle................................. 262Fuel............................................................... 320Additives................................................... 322Clean Air................................................... 320Ethanol..................................................... 321Filler Cap (Gas Cap).................................. 152Gasoline................................................... 320Light.............................................................93Materials Added....................................... 322Methanol.................................................. 321Octane Rating.................................. 320, 323Specifications........................................... 323Tank Capacity........................................... 323Fuses............................................................ 284
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333
Key Fob Programming
(Remote Keyless Entry)
................................... 16Keyless Enter 'n Go™................................ 14, 23Keys................................................................. 14
L
Lane Change And Turn Signals................. 43, 46Lane Change Assist.................................. 43, 46Lane Management System............................ 145LaneSense...................................................... 96Lap/Shoulder Belts....................................... 206Latches.......................................................... 242Hood........................................................... 66Leaks, Fluid................................................... 242Life Of Tires................................................... 308Liftgate..................................................... 66, 67Hands-Free.................................................. 69Liftgate Window Wiper/Washer....................... 49Light Bulbs..................................................... 242Lights............................................................. 2424WD Lock.................................................... 964WD Low..................................................... 96Active Speed Limiter Fault........................... 96Air Bag.......................................89, 213, 241Anti Lock Brake System............................... 92Automatic Headlights.................................. 45Automatic High Beam.................................. 97Battery Charge............................................ 90Battery Saver............................................... 46Brake Assist Warning................................ 191
Brake Warning............................................. 90Bulb Replacement.................................... 291Cruise................................................... 97, 98Daytime Running.................................. 43, 44Dimmer Switch, Headlight.................... 43, 44Door Open................................................... 90Drowsiness Detected.................................. 91Electric Power Steering Fault....................... 91Electronic Park Brake.................................. 93Electronic Stability Control........................... 93Electronic Throttle Control........................... 91Engine Temperature.................................... 91Exterior..................................................... 242Fog....................................................... 46, 96Forward Collision Warning........................... 96Fuel Cutoff................................................... 93Headlight Switch.......................................... 44Headlights............................................ 43, 44High Beam............................................ 44, 97High Beam/Low Beam Select............... 43, 44Hill Descent Control..................................... 97Hill Descent Control Indicator................... 191Hood Open.................................................. 91Immobilizer Fail VPS Electrical Alarm.......... 96Instrument Cluster................................ 43, 44Intensity Control................................... 46, 47Interior......................................................... 46LaneSense.................................... 93, 96, 97Liftgate Open............................................... 91Lights On Reminder.............................. 43, 45
Low Coolant Level........................................93Low Fuel......................................................93Low Washer Fluid........................................93Malfunction Indicator (Check Engine)..........93Oil Pressure.................................................91Oil Temperature...........................................92Park.............................................................96Passing.................................................43, 45Seat Belt Reminder.....................................92Security Alarm.............................................92Service...................................................... 291Service 4WD................................................94Service Forward Collision Warning...............94Service Stop Start........................................94Stop Start Active..........................................97Tire Pressure Monitoring (TPMS)....... 94, 201Towing Hook Breakdown.............................95Traction Control........................................ 191Transmission Fault......................................92Transmission Temperature..........................92Turn Signals......................... 43, 46, 97, 242Vanity Mirror................................................38Load Floor, Cargo.............................................70Loading Vehicle............................................. 153Tires.......................................................... 303Locks Auto Unlock.................................................25Child Protection...........................................25Power Door..................................................23Low Tire Pressure System............................. 201
11

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334 Lubrication, Body
........................................... 275Lug Nuts/Bolts.............................................. 319Luggage Carrier............................................... 72
M
Maintenance................................................... 65Maintenance Free Battery............................. 272Maintenance Schedule.................................. 267Malfunction Indicator Light (Check Engine)..... 93Manual Service...................................................... 327Memory Feature (Memory Seats).................... 27Memory Seat................................................... 27Memory Settings............................................. 27Methanol....................................................... 321Mirrors............................................................. 37Automatic Dimming..................................... 37Heated................................................. 37, 39Outside................................................. 37, 38Rearview............................................ 37, 244Vanity.......................................................... 38Modifications/AlterationsVehicle........................................................ 10Monitor, Tire Pressure System....................... 201Mopar Parts................................................... 327Multi-Function Control Lever............................ 43
N
New Vehicle Break-In Period.......................... 102
O
Occupant Restraints..................................... 204Octane Rating, Gasoline (Fuel)............ 320, 323Oil Filter, Change.......................................... 274Oil Filter, Selection........................................ 274Oil Pressure Light............................................. 91Oil, Engine............................................ 273, 323Capacity.................................................... 323Checking................................................... 272Dipstick.................................................... 272Disposal................................................... 274Filter................................................ 274, 323Filter Disposal........................................... 274Identification Logo.................................... 273Materials Added To.................................. 274Pressure Warning Light............................... 91Recommendation............................ 273, 323Synthetic.................................................. 273Viscosity................................................... 323Onboard Diagnostic System............................. 98Operator ManualOwner's Manual........................................ 327OutletPower.......................................................... 59Outside Rearview Mirrors......................... 37, 38Overheating, Engine...................................... 261
P
Paddle Shifters............................................. 111Paint Care..................................................... 315
Parking Brake............................................... 103ParkSense Active Park Assist........................ 140ParkSense System........................................ 133Pedestrian Warning System.......................... 200Pets............................................................... 240Placard, Tire And Loading Information.......... 303PowerDoor Locks...................................................23Inverter........................................................60Liftgate........................................................67Outlet (Auxiliary Electrical Outlet).................59Sunroof........................................................63Windows......................................................62Pregnant Women And Seat Belts.................. 211Preparation For Jacking................................ 248PretensionersSeat Belts................................................. 211Profile Settings.............................................. 166Programmable Features............................... 165
R
Radial Ply Tires.............................................. 307Radiator Cap (Coolant Pressure Cap)............ 281RadioSettings.................................................... 165Sound Setting........................................... 181Radio Operation............................................ 186Rain Sensitive Wiper System...........................49Rear Camera................................................. 148Rear Cross Path............................................ 197

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