engine overheat JEEP COMPASS 2021 Owner handbook (in English)

SERVICING AND MAINTENANCE
230
(Continued)
Cooling System Pressure Cap
The cap must be fully tightened to prevent
loss of engine coolant (antifreeze), and to
ensure that engine coolant (antifreeze) will
return to the radiator from the coolant expan-
sion bottle/recovery tank if so equipped.
The cap should be inspected and cleaned if
there is any accumulation of foreign material
on the sealing surfaces.
Brake System
In order to assure brake system performance,
all brake system components should be
inspected periodically. Refer to the “Mainte -nance Plan” in this section for the proper
maintenance intervals.
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 manufacturer's recommended
brake fluid. Refer to “Fluids And Lubricants”
in “Technical Specifications” for further
information.
WARNING!
Do not open hot engine cooling system.
Never add engine coolant (antifreeze)
when the engine is overheated. Do not
loosen or remove the cap to cool an over
-
heated engine. Heat causes pressure to
build up in the cooling system. To
prevent scalding or injury, do not remove
the pressure cap while the system is hot
or under pressure.
Do not use a pressure cap other than the
one specified for your vehicle. Personal
injury or engine damage may result.
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 manufacturer's recommended
brake fluid. Refer to “Fluids And Lubri -
cants” in “Technical Specifications” for
further information. 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 colli -
sion.
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TECHNICAL SPECIFICATIONS
252
Fuel System CautionsNOTE:
Intentional tampering with the emissions
control system can result in civil penalties
being assessed against you.
Carbon Monoxide Warnings
FUEL REQUIREMENTS —
DIESEL ENGINE
Diesel Engine
Use good quality diesel fuel from a reputable
supplier. If the outside temperature is very
low, the diesel fuel thickens due to the
formation of paraffin clots with consequent
defective operation of the fuel supply
system.
In order to avoid these problems different
types of fuel are distributed according to the
season: summer type, winter type and arctic
type (cold/mountain areas). If fueling with
diesel fuel whose features are not suitable
for the temperature of use, it is advisable to
mix in a suitable additive with the fuel. With
the proportions shown on the container, pour
the additive in the tank before fueling.
When using or parking the vehicle for a long
time in the mountains or cold areas, it is
advisable to refuel using locally available
fuel. In this case, it is also advisable to keep
the tank over half full.
CAUTION!
Follow these guidelines to maintain your
vehicle’s performance:
The use of leaded gasoline is prohibited
by law. Using leaded gasoline can impair
engine performance and damage the
emissions control system.
An out-of-tune engine or certain fuel or
ignition malfunctions can cause the
catalytic converter to overheat. If you
notice a pungent burning odor or some
light smoke, your engine may be out of
tune or malfunctioning and may require
immediate service. Contact an autho-
rized dealer for service assistance.
The use of fuel additives, which are now
being sold as octane enhancers, is not
recommended. Most of these products
contain high concentrations of meth-
anol. Fuel system damage or vehicle
performance problems resulting from the
use of such fuels or additives is not the
responsibility of the manufacturer and
may void or not be covered under the
New Vehicle Limited Warranty.
WARNING!
Carbon monoxide (CO) in exhaust gases is
deadly. Follow the precautions below to
prevent carbon monoxide poisoning:
Do not inhale exhaust gases. They
contain carbon monoxide, a colorless
and odorless gas, which can kill. Never
run the engine in a closed area, such as
a garage, and never sit in a parked
vehicle with the engine running for an
extended period. If the vehicle is
stopped in an open area with the engine
running for more than a short period,
adjust the ventilation system to force
fresh, outside air into the vehicle.
Guard against carbon monoxide with
proper maintenance. Have the exhaust
system inspected every time the vehicle
is raised. Have any abnormal conditions
repaired promptly. Until repaired, drive
with all side windows fully open.
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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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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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