2020 JEEP CHEROKEE oil temperature

7
WINDSHIELD WIPERS AND WASHERS ..... 34
Windshield Wiper Operation............. 34
Rain Sensing Wipers —
If Equipped ................................... 35 Rear Window Wiper/Washer ............. 36
CLIMATE CONTROLS............................... 36
Automatic Climate Control
Overview ........................................ 37 Climate Control Functions ............... 45
Automatic Temperature
Control (ATC) ................................ 45 Operating Tips ............................... 46
WINDOWS ............................................ 47
Power Window Controls ................... 47
Auto-Up Feature With Anti-Pinch
Protection ..................................... 48 Window Lockout Switch .................. 48
POWER SUNROOF WITH POWER SHADE —
IF EQUIPPED ......................................... 49
Opening Sunroof ............................ 49
Venting Sunroof.............................. 50
Closing Sunroof .............................. 50
Wind Buffeting .............................. 50
Opening Power Shade ..................... 50
Closing Power Shade....................... 51
Pinch Protect Feature ..................... 51
Sunroof Maintenance ...................... 51
Ignition Off Operation ..................... 51
HOOD ....................................................52
Opening The Hood ......................... 52
Closing The Hood ........................... 52
LIFTGATE...............................................53
Opening ........................................ 53
Closing .......................................... 53
Hands-Free Liftgate —
If Equipped .................................. 54
INTERNAL EQUIPMENT ........................... 55
Power Outlets ............................... 55
Power Inverter — If Equipped ........ 56
ROOF LUGGAGE RACK — IF EQUIPPED ....57
ENVIRONMENTAL PROTECTION
SYSTEMS — IF EQUIPPED ...................... 58
GETTING TO KNOW YOUR INSTRUMENT
PANEL
INSTRUMENT CLUSTER DISPLAY ............ 59
Instrument Cluster Display Location
And Controls .................................. 59 Oil Change Indicator System —
If Equipped .................................. 60 Gear Shift Indicator (GSI) —
If Equipped ................................... 60 Instrument Cluster Display Selectable
Items ............................................ 61 Diesel Displays .............................. 61
Diesel Particulate Filter (DPF)
Messages ..................................... 61 Fuel System Messages .................... 62
WARNING LIGHTS AND MESSAGES ..........64
Red Warning Lights .........................64
Yellow Warning Lights .....................67
Yellow Indicator Lights ....................71
Green Indicator Lights .....................72
White Indicator Lights .....................73
Blue Indicator Lights .......................74
ONBOARD DIAGNOSTIC SYSTEM —
OBD II ..................................................74
Onboard Diagnostic System (OBD II)
Cybersecurity..................................75
SAFETY
SAFETY FEATURES .................................76
Anti-Lock Brake System (ABS) ........76
Electronic Brake Control (EBC)
System .........................................77
AUXILIARY DRIVING SYSTEMS ................87
Blind Spot Monitoring (BSM) —
If Equipped ....................................87 Forward Collision Warning (FCW) With
Mitigation — If Equipped ................90 Tire Pressure Monitoring
System (TPMS)...............................93
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GETTING TO KNOW YOUR INSTRUMENT PANEL
66
If the light continues to flash when the
vehicle is running, immediate service is
required. You may experience reduced
performance, an elevated/rough idle, or
engine stall and your vehicle may require
towing. The light will come on when the igni-
tion is placed in the ON/RUN or ACC/ON/
RUN position and remain on briefly as a bulb
check. If the light does not come on during
starting, have the system checked by an
authorized dealer.
— Engine Coolant Temperature Warning
Light
This light warns of an overheated engine
condition. If the engine coolant temperature
is too high, this indicator will illuminate and
a single chime will sound.
If the light turns on while driving, safely pull
over and stop the vehicle. If the A/C system
is on, turn it off. Also, shift the transmission
into NEUTRAL and idle the vehicle. If the
temperature reading does not return to
normal, turn the engine off immediately and
call for service. Refer to “If Your Engine
Overheats” in “In Case Of Emergency” for
further information.
— Hood Open Warning Light
This warning light will illuminate when the
hood is left open and not fully closed.
NOTE:
If the vehicle is moving, there will also be a
single chime.
— Liftgate Open Warning Light
This warning light will illuminate when the
liftgate is open.
NOTE:
If the vehicle is moving, there will also be a
single chime.
— Oil Pressure Warning Light
This warning light will illuminate to indicate
low engine oil pressure. A chime will sound
when this light turns on and a message “Oil
Pressure Low” will display in the message
screen. If the light turns on while driving,
pull the vehicle to the side of the road at a
safe location, stop the vehicle, shut off the
engine as soon as possible, check the oil
level and correct the oil level if it is low.
Contact an authorized dealer. Do not operate the vehicle until the cause is
corrected. This light may or may not indicate
how much oil is in the engine. The engine oil
level must be checked according to section
“Scheduling Service” Checking Oil Level. If
the oil level is low and corrected, the engine
can be restarted. Otherwise the vehicle
should be serviced by an authorized dealer.
NOTE:
The light may flash, a message in the center
of the dash may be displayed momentarily
“low oil pressure” and a chime may occur
during sharp cornering maneuvers. If this
happen it may indicate a low oil level. The oil
level should be checked and serviced by a
dealer if this occurs.
— Oil Temperature Warning Light

This warning light will illuminate to indicate
the engine oil temperature is high. If the light
turns on while driving, stop the vehicle and
shut off the engine as soon as possible. Wait for
oil temperature to return to normal levels.

CAUTION!
If the vehicle is driven with low oil levels
severe engine damage can occur. Have the
vehicle checked immediately.
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67
— Transmission Temperature Warning
Light — If Equipped
This warning light will illuminate to warn of
a high transmission fluid temperature. This
may occur with strenuous usage such as
trailer towing. If this light turns on, stop the
vehicle and run the engine at idle or slightly
faster, with the transmission in PARK or
NEUTRAL, until the light turns off. Once the
light turns off, you may continue to drive
normally.
— Vehicle Security Warning Light — If
Equipped
This light will flash at a fast rate for approxi -
mately 15 seconds when the vehicle security
alarm is arming, and then will flash slowly
until the vehicle is disarmed.
Yellow Warning Lights
— Adaptive Cruise Control (ACC) Fault
Warning Light — If Equipped
This warning light will illuminate to indicate
a fault in the ACC system. Contact a local
authorized dealer for service.
For further information, refer to “Adaptive
Cruise Control (ACC)” in “Starting And Oper -
ating.”
— Electronic Park Brake Warning Light
This warning light will illuminate to indicate
the Electronic Park Brake is not functioning
properly and service is required. Contact an
authorized dealer.
— Anti-Lock Brake (ABS) Warning Light
This warning light monitors the Anti-Lock
Brake System (ABS). The light will turn on
when the ignition is placed in the ON/RUN or
ACC/ON/RUN position and may stay on for as
long as four seconds.
If the ABS light remains on or turns on while
driving, then the Anti-Lock portion of the
brake system is not functioning and service
is required as soon as possible. However, the
conventional brake system will continue to
operate normally, assuming the Brake
Warning Light is not also on.
If the ABS light does not turn on when the
ignition is placed in the ON/RUN or ACC/ON/
RUN position, have the brake system
inspected by an authorized dealer.
— Electronic Stability Control (ESC)
Active Warning Light — If Equipped
This warning light will indicate when the
Electronic Stability Control (ESC) system is
active. The “ESC Indicator Light” in the
instrument cluster will come on when the
ignition is placed in the ON/RUN or ACC/ON/
RUN position, and when ESC is activated. It
should go out with the engine running. If the
“ESC Indicator Light” comes on continu -
WARNING!
If you continue operating the vehicle when
the Transmission Temperature Warning
Light is illuminated you could cause the
fluid to boil over, come in contact with hot
engine or exhaust components and cause a
fire.
CAUTION!
Continuous driving with the Transmission
Temperature Warning Light illuminated
will eventually cause severe transmission
damage or transmission failure.
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71
The system only warns the tire pressure is
low: it is not able to inflate them.
Yellow Indicator Lights — Active Speed Limiter Fault Indicator
Light — If Equipped
This warning light will illuminate to signal
when there is a fault detected with the Active
Speed Limiter.
— Forward Collision Warning Off
Indicator Light — If Equipped
This light indicates that Forward Collision
Warning is off.
— 4WD Low Indicator Light — If
Equipped
This light alerts the driver that the vehicle is
in the four-wheel drive LOW mode. The front
and rear driveshafts are mechanically locked
together forcing the front and rear wheels to
rotate at the same speed. Low range provides
a greater gear reduction ratio to provide
increased torque at the wheels.
Refer to “Four-Wheel Drive Operation” in
“Starting And Operating” for further informa -
tion on four-wheel drive operation and proper
use.
— Rear Axle Lock Indicator Light
This light indicates when the rear axle lock
has been activated.
— Rear Fog Indicator — If Equipped
This indicator light will illuminate when the
rear fog lights are on.
— Glow Plug Light — If Equipped
This vehicle will inhibit engine cranking
when the ambient temperature is less than
–22° F (–30° C) and the oil temperature
sensor reading indicates an engine block
heater has not been used. The Glow Plug
light will flash during in cold weather for up
to ten seconds.
If equipped with a block heater harness the
message “Plug In Engine Heater”, will be
displayed in the instrument cluster when the
ambient temperature is below 5°F (-15° C) at
the time the engine is shut off as a reminder
to avoid possible crank delays at the next
cold start.
CAUTION!
The TPMS has been optimized for the
original equipment tires and wheels.
TPMS pressures and warning have been
established for the tire size equipped on
your vehicle. Undesirable system operation
or sensor damage may result when using
replacement equipment that is not of the
same size, type, and/or style. Aftermarket
wheels can cause sensor damage. Using
aftermarket tire sealants may cause the
Tire Pressure Monitoring System (TPMS)
sensor to become inoperable. After using
an aftermarket tire sealant it is
recommended that you take your vehicle to
an authorized dealer to have your sensor
function checked.
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STARTING AND OPERATING
140
during the pre-heat process, When the
engine “Wait To Start” telltale goes off the
engine will automatically crank.
3. The system will automatically engage thestarter to crank the engine. If the vehicle
fails to start, the starter will disengage
automatically after 30 seconds.
4. If you wish to stop the cranking of the engine prior to the engine starting, push
the ENGINE START/STOP button again.
5. Check that the oil pressure warning light has turned off.
6. Release the parking brake.Engine Warm Up
Avoid full throttle operation when the engine
is cold. When starting a cold engine, bring
the engine up to operating speed slowly to
allow the oil pressure to stabilize as the
engine warms up.
NOTE:
High-speed, no-load running of a cold engine
can result in excessive white smoke and poor
engine performance. No-load engine speeds
should be kept under 1,200 RPM during the
warm-up period, especially in cold ambient
temperature conditions.
ENGINE BREAK-IN
RECOMMENDATIONS
A long break-in period is not required for the
engine and drivetrain (transmission and axle)
in your vehicle.
Drive moderately during the first 300 miles
(500 km). After the initial 60 miles
(100 km), speeds up to 50 or 55 mph (80 or
90 km/h) are desirable. While cruising, brief full-throttle accelera
-
tion within the limits of local traffic laws
contributes to a good break-in. Wide-open
throttle acceleration in low gear can be detri -
mental and should be avoided.
The engine oil installed in the engine at the
factory is a high-quality energy conserving
type lubricant. Oil changes should be consis -
tent with anticipated climate conditions
under which vehicle operations will occur.
For the recommended viscosity and quality
grades, refer to “Fluids And Lubricants” in
“Technical Specifications”.
NOTE:
A new engine may consume some oil during
its first few thousand miles (kilometers) of
operation. This should be considered a
normal part of the break-in and not inter -
preted as a problem.
CAUTION!
To prevent damage to the starter, do not
crank continuously for more than 10
seconds at a time. Wait 10 to 15 seconds
before trying again.
CAUTION!
Never use Non-Detergent Oil or Straight
Mineral Oil in the engine or damage may
result.
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SERVICING AND MAINTENAN
CE
224
Heavy Duty Use Of Vehicle
Change the engine oil and engine oil filter at
every 4,500 miles (7,500 km) or 12 months
if using your vehicle under any of the
following severe duty conditions:
Stop and go driving.
Driving in dusty conditions.
Short trips of less than 10 miles (16 km).
Trailer towing.
Taxi, police, or delivery service (commer -
cial service).
Off-road or desert operation.
Scheduled Servicing — Diesel Engine
Your vehicle is equipped with an automatic
oil change indicator system. The oil change
indicator system will remind you that it is
time to take your vehicle in for engine oil
replacement.
Based on engine operation conditions, the oil
change indicator message will illuminate.
This means that service is required for your
vehicle. Operating conditions such as
frequent short-trips, trailer tow, extremely
hot or cold ambient temperatures will influ -
ence when the “Oil Change Required”
message is displayed. Severe Operating
Conditions can cause the change oil
message to illuminate as earlier than speci -
fied. Have your vehicle serviced as soon as
possible, within the next 500 miles
(805 km).
To help you have the best driving experience
possible, the manufacturer has identified the
specific vehicle maintenance service inter -
vals that are required to keep your vehicle
operating properly and safely. The manufacturer recommends that these
maintenance intervals be performed at your
selling dealer. The technicians at your deal
-
ership know your vehicle best, and have
access to factory trained information,
genuine Mopar parts, and specially designed
electronic and mechanical tools that can
help prevent future costly repairs.
NOTE:
The actual interval for changing engine oil
and replacing the engine oil filter depends
on the vehicle usage conditions, and is
signaled by the warning light or message in
the instrument panel. In any case, it must
never exceed 12,500 miles (20,000 km) or
12 months.
Flush and replace the engine coolant at
120 months or 150,000 miles (240,000 km)
whichever comes first.
The timing and accessory belts must be
changed every 37,500 miles (60,000 km) or
3 years for particularly demanding use
(dusty areas, severe weather conditions,
very low or very high temperatures for
extended periods, city driving, long periods
of idling). Under no circumstances should
these intervals be exceeded.
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SERVICING AND MAINTENAN
CE
228
(*) The actual interval for changing engine
oil and replacing the engine oil filter
depends on the vehicle usage conditions,
and is signaled by the warning light or
message in the instrument panel. In any
case, it must never exceed 12,500 miles
(20,000 km) or 12 months.(**) DOT 4 brake fluid interval is time based
only, mileage intervals do not apply.
(***) The timing and accessory belts must be
changed every 37,500 miles (60,000 km) or
3 years for particularly demanding use (dusty
areas, severe weather conditions, very low or
very high temperatures for extended periods, city driving, long periods of idling). Under no
circumstances should these intervals be
exceeded.
(°) Consumption of additive AdBlue (UREA)
depends on the condition of use of the
vehicle and is indicated by LED and/or
message on the instrument panel.
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
X X
Inspect timing drive belt. (***) XX X
Replace timing drive belt. (***) XX
Mileage or time passed (whichever comes first)
12,500
25,000
37,500
50,000
62,500
75,000
87,500
100,000
112,500
125,000
137,500
150,000
162,500
175,000
187,500
Or Years: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
220,000
240,000
260,000
280,000
300,000
WARNING!
You can be badly injured working on or
around a motor vehicle. Do only service
work for which you have the knowledge
and the right equipment. If you have any
doubt about your ability to perform a
service job, take your vehicle to a compe-
tent mechanic.
Failure to properly inspect and maintain
your vehicle could result in a component
malfunction and effect vehicle handling
and performance. This could cause an
accident.
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235
(Continued)
Fluid Level Check — Brake Master Cylinder
The fluid level of the master cylinder should
be checked whenever the vehicle is serviced,
or immediately if the brake system warning
light is on. If necessary, add fluid to bring
level within the designated marks on the side
of the reservoir of the brake master cylinder.
Be sure to clean the top of the master
cylinder area before removing cap. 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. If the
brake fluid is abnormally low, check the
system for leaks.
Refer to “Fluids And Lubricants” in “Tech-
nical Specifications” for further information.
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.
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.
Do not allow petroleum based fluid to
contaminate the brake fluid. Brake seal
components could be damaged, causing
partial or complete brake failure. This
could result in a collision.
WARNING! (Continued)
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