2019 JEEP CHEROKEE engine overheat

ADAPTIVE CRUISE CONTROL (ACC) — IF
EQUIPPED....................... 162
Activating Adaptive Cruise Control (ACC) . . 163
To Set A Desired ACC Speed.......... 164
Resume...................... 164
To Vary The Speed Setting........... 164
Setting The Following Distance In ACC.... 166
PARKSENSE REAR PARK ASSIST — IF EQUIPPED . . 166ParkSense Sensors................ 166
ParkSense Warning Display........... 166
Enabling And Disabling ParkSense...... 166
ParkSense System Usage Precautions.... 167
PARKSENSE FRONT AND REAR PARK ASSIST — IF
EQUIPPED....................... 168
ParkSense Sensors................ 168
Enabling And Disabling ParkSense...... 169
Operation With A Trailer............. 169
PARKSENSE ACTIVE PARK ASSIST SYSTEM — IF
EQUIPPED....................... 169
LANESENSE...................... 170
LaneSense Operation.............. 170
Turning LaneSense On Or Off......... 170
LaneSense Warning Message.......... 171
Changing LaneSense Status.......... 172
PARKVIEW REAR BACK UP CAMERA — IF
EQUIPPED....................... 173
REFUELING THE VEHICLE............... 173
REFUELING THE VEHICLE — DIESEL ENGINE.... 175
AdBlue (UREA) — If Equipped........ 176
TRAILER TOWING................... 181Trailer Towing Weights (Maximum Trailer Weight
Ratings)...................... 181
RECREATIONAL TOWING (BEHIND MOTORHOME,
ETC.).......................... 182
Towing This Vehicle Behind Another
Vehicle....................... 182
Recreational Towing — Front-Wheel Drive (FWD)
Models...................... 183
Recreational Towing — 4x4 Models...... 183
IN CASE OF EMERGENCY
HAZARD WARNING FLASHERS............ 184
BULB REPLACEMENT................. 184
Replacement Bulbs............... 184
Replacing Exterior Bulbs............ 185
FUSES......................... 185General Information............... 186
Underhood Fuses................ 186
Interior Fuses................... 195
JACKING AND TIRE CHANGING............ 196Jack Location/Spare Tire Stowage....... 196
Preparations For Jacking............ 197
Jacking Instructions............... 197
Road Tire Installation.............. 200
Declaration Of Conformance.......... 200
Jack Usage Precautions............ 203
TIRE SERVICE KIT — IF EQUIPPED.......... 204Tire Service Kit Storage............. 204
Tire Service Kit Components And Operation . 204
Tire Service Kit Usage Precautions...... 205
Sealing A Tire With Tire Service Kit...... 206
JUMP STARTING.................... 209Preparations For Jump Start.......... 210
Jump Starting Procedure............ 211
REFUELING IN EMERGENCY.............. 212Emergency Fuel Filler Door Release..... 212
IF YOUR ENGINE OVERHEATS............. 212
GEAR SELECTOR OVERRIDE.............. 213
FREEING A STUCK VEHICLE.............. 213
TOWING A DISABLED VEHICLE............ 214
Without The Key Fob.............. 215
Front-Wheel Drive (FWD) Models....... 215
4x4 Models.................... 216
Recovery Strap — If Equipped......... 216
ENHANCED ACCIDENT RESPONSE SYSTEM (EARS) . 217
EVENT DATA RECORDER (EDR)............ 217
SERVICING AND MAINTENANCE
SCHEDULED SERVICING................ 218Scheduled Servicing — Gasoline Engine . . . 218
Scheduled Servicing — Diesel Engine.... 222
ENGINE COMPARTMENT............... 2272.0L Engine.................... 227
2.4L Engine.................... 228
3.2L Engine.................... 229
2.2L Diesel Engine............... 230
Checking Oil Level................ 231
Cooling System.................. 231
Adding Washer Fluid.............. 232
Brake System.................. 232
Manual Transmission — If Equipped..... 233
Automatic Transmission............ 234
Maintenance-Free Battery........... 234
DEALER SERVICE................... 235Windshield Wiper Blades............ 235
TABLE OF CONTENTS
8

• Press the heated seat buttona second
time to turn the LO setting on.
• Press the heated seat button
a third
time to turn the heating elements off.
If the HI-level setting is selected, the system
will automatically switch to LO-level after
approximately 60 minutes of continuous op-
eration. At that time, the display will change
from HI to LO, indicating the change. The
LO-level setting will turn off automatically
after approximately 45 minutes.
NOTE:
The engine must be running for the heated
seats to operate.
Vehicles Equipped With Remote Start
On models that are equipped with remote
start, the heated seats can be programmed to
come on during a remote start.
This feature can be programmed through the
Uconnect system. Refer to “Uconnect Set-
tings” in “Multimedia” in your Owner’s
Manual for further information.
WARNING!
• Persons who are unable to feel pain to
the skin because of advanced age,
chronic illness, diabetes, spinal cord in-
jury, medication, alcohol use, exhaus-
tion or other physical condition must
exercise care when using the seat
heater. It may cause burns even at low
temperatures, especially if used for long
periods of time.
• Do not place anything on the seat or
seatback that insulates against heat,
such as a blanket or cushion. This may
cause the seat heater to overheat. Sit-
ting in a seat that has been overheated
could cause serious burns due to the
increased surface temperature of the
seat.
Rear Heated Seats — If Equipped
On some models, the two outboard rear seats
are equipped with heated seats. The heated
seat switches for these seats are located on
the rear of the center console.There are two heated seat switches that allow
the rear passengers to operate the seats in-
dependently. Amber indicator lights in each
switch indicate the level of heat in use. Two
indicator lights will illuminate for HI, one for
LO and none for OFF.
• Push the heated seat button
once to
turn the HI setting on.
• Push the heated seat button
a second
time to turn the LO setting on.
• Push the heated seat button
a third
time to turn the heating elements off.
NOTE:
• Once a heat setting is selected, heat will be
felt within two to five minutes.
• The engine must be running for the heated
seats to operate.
When the HI-level setting is selected, the
heater will provide a boosted heat level dur-
ing the first four minutes of operation. Then,
the heat output will drop to the normal HI-
level. If the HI-level setting is selected, the
system will automatically switch to LO-level
after approximately 60 minutes of continu-
ous operation. At that time, the number of
27

(button on the touchscreen greyed out) if
conditions exist that could create fogging on
the inside of the windshield.
Automatic Temperature Control (ATC) —
If Equipped
Automatic Operation
1. Push the AUTO button on the faceplate,
or the AUTO button on the touchscreen on
the Automatic Temperature Control (ATC)
Panel.
2. Next, adjust the temperature you would
like the system to maintain by adjusting
the driver and passenger temperature
control buttons. Once the desired tem-
perature is displayed, the system will
achieve and automatically maintain that
comfort level.
3. When the system is set up for your comfort
level, it is not necessary to change the
settings. You will experience the greatest
efficiency by simply allowing the system
to function automatically.NOTE:
• It is not necessary to move the temperature
settings for cold or hot vehicles. The system
automatically adjusts the temperature,
mode, and blower speed to provide comfort
as quickly as possible.
• The temperature can be displayed in U.S.
or Metric units by selecting the US/Metric
customer-programmable feature. Refer to
the “Uconnect Settings” in “Multimedia”
in your Owner’s Manual for further
information.
To provide you with maximum comfort in the
Automatic mode during cold start-ups, the
blower fan will remain on low until the engine
warms up. The blower will increase in speed
and transition into Auto mode.
Manual Operation Override
This system offers a full complement of
manual override features. The AUTO symbol
in the front ATC display will be turned off
when the system is being used in the manual
mode.
Operating Tips
Summer Operation
The engine cooling system must be protected
with a high-quality antifreeze coolant to pro-
vide proper corrosion protection and to pro-
tect against engine overheating. OAT coolant
(conforming to MS.90032) is recommended.
Winter Operation
To ensure the best possible heater and de-
froster performance, make sure the engine
cooling system is functioning properly and
the proper amount, type, and concentration
of coolant is used. Use of the Air Recircula-
tion mode during Winter months is not rec-
ommended, because it may cause window
fogging.
Vacation/Storage
Before you store your vehicle, or keep it out of
service (i.e., vacation) for two weeks or more,
run the air conditioning system at idle for
about five minutes, in fresh air with the
blower setting on high. This will ensure ad-
GETTING TO KNOW YOUR VEHICLE
48

NOTE:
This light shows only that the parking brake is
applied. It does not show the degree of brake
application.
— Battery Charge Warning Light
This warning light will illuminate when the
battery is not charging properly. If it stays on
while the engine is running, there may be a
malfunction with the charging system. Con-
tact an authorized dealer as soon as possible.
This indicates a possible problem with the
electrical system or a related component.
— Door Open Warning Light
This indicator will illuminate when a door is
ajar/open and not fully closed.
NOTE:
If the vehicle is moving, there will also be a
single chime.
— Electric Power Steering Fault
Warning Light
This warning light will turn on when there's a
fault with the EPS (Electric Power Steering)
system. Refer to “Power Steering” in “Start-
ing And Operating” in the Owner’s Manual for
further information.
WARNING!
Continued operation with reduced assist
could pose a safety risk to yourself and
others. Service should be obtained as soon
as possible.
— Electronic Throttle Control (ETC)
Warning Light
This warning light will illuminate to indicate
a problem with the Electronic Throttle Con-
trol (ETC) system. If a problem is detected
while the vehicle is running, the light will
either stay on or flash depending on the
nature of the problem. Cycle the ignition
when the vehicle is safely and completely
stopped and the transmission is placed in the
PARK position. The light should turn off. Ifthe light remains on with the vehicle running,
your vehicle will usually be drivable; however,
see an authorized dealer for service as soon
as possible.
NOTE:
This light may turn on if the accelerator and
brake pedals are pressed at the same time.
If the light continues to flash when the ve-
hicle is running, immediate service is re-
quired and you may experience reduced per-
formance, an elevated/rough idle, or engine
stall and your vehicle may require towing.
The light will come on when the ignition is
placed in the ON/RUN or ACC/ON/RUN posi-
tion 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 Warn-
ing 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.
GETTING TO KNOW YOUR INSTRUMENT PANEL
66

NOTE:
During HDC the +/- shifter input is used for
HDC target speed selection, but will not af-
fect the gear chosen by the transmission.
When actively controlling HDC the transmis-
sion will shift appropriately for the driver-
selected set speed and corresponding driving
conditions.
Driver Override
The driver may override HDC activation with
throttle or brake application at anytime.
Deactivating HDC
HDC will be deactivated but remain available
if any of the following conditions occur:
• Driver overrides HDC set speed with throttle
or brake application.
• Vehicle speed exceeds 20 mph (32 km/h)
but remains below 40 mph (64 km/h).
• Vehicle is on a downhill grade of insuffi-
cient magnitude, is on level ground, or is on
an uphill grade.
• Vehicle is shifted to park.Disabling HDC
HDC will be deactivated and disabled if any
of the following conditions occur:
• The driver pushes the HDC switch.
• The driveline is shifted out of 4WD Low
Range.
• The parking brake is applied.
• Driver door opens.
• The vehicle is driven greater than 20 mph
(32 km/h) for greater than 70 seconds.
• The vehicle is driven greater than 40 mph
(64 km/h) (HDC exits immediately).
• HDC detects excessive brake temperature.
Feedback To The Driver
The instrument cluster has an HDC icon and
the HDC switch has an LED icon, which
offers feedback to the driver about the state
HDC is in.
• The cluster icon and switch lamp will illu-
minate and remain on solid when HDC is
enabled or activated. This is the normal
operating condition for HDC.• The cluster icon and switch lamp will flash
for several seconds then extinguish when
the driver pushes the HDC switch but en-
able conditions are not met.
• The cluster icon and switch lamp will flash
for several seconds then extinguish when
HDC disables due to excess speed.
• The cluster icon and switch lamp will flash
when HDC deactivates due to overheated
brakes. The flashing will stop and HDC will
activate again once the brakes have cooled
sufficiently.
WARNING!
HDC is only intended to assist the driver in
controlling vehicle speed when descend-
ing hills. The driver must remain attentive
to the driving conditions and is respon-
sible for maintaining a safe vehicle speed.
Selec Speed Control (SSC) — If Equipped
SSC is intended for off road driving in 4WD
Low Range only. SSC maintains vehicle
speed by actively controlling engine torque
and brakes.
SAFETY
86

Extreme Cold Weather (Below –22°F Or
−30°C)
To ensure reliable starting at these tempera-
tures, use of an externally powered electric
engine block heater (available from an autho-
rized dealer) is recommended.
Normal Starting — Diesel Engine
Before starting your vehicle, adjust your seat,
both inside and outside mirrors, and fasten
your seat belts.
The starter is allowed to crank for up to
30-second intervals. Waiting a few minutes
between such intervals will protect the starter
from overheating.
WARNING!
• Before exiting a vehicle, always come to
a complete stop, then shift the auto-
matic transmission into PARK and apply
the parking brake.
• Always make sure the keyless ignition
node is in the OFF mode, key fob is
WARNING!
removed from the vehicle and vehicle is
locked.
• Never leave children alone in a vehicle,
or with access to an unlocked vehicle.
Leaving children in a vehicle unattended
is dangerous for a number of reasons. A
child or others could be seriously or
fatally injured. Children should be
warned not to touch the parking brake,
brake pedal or the gear selector.
• Do not leave the key fob in or near the
vehicle, or in a location accessible to
children, and do not leave the ignition of
a vehicle equipped with Keyless Enter-
N-Go in the ACC or ON/RUN mode. A
child could operate power windows,
other controls, or move the vehicle.
• Do not leave children or animals inside
parked vehicles in hot weather. Interior
heat build-up may cause serious injury
or death.NOTE:
Engine start up in very low ambient tempera-
ture could result in evident white smoke. This
condition will disappear as the engine warms
up.
CAUTION!
The engine is allowed to crank as long as
30 seconds. If the engine fails to start
during this period, please wait at least two
minutes for the starter to cool before re-
peating start procedure.
Battery Blanket Usage
A battery loses 60% of its cranking power as
the battery temperature decreases to 0°F
(-18°C). For the same decrease in tempera-
ture, the engine requires twice as much
power to crank at the same RPM. The use of
battery blankets will greatly increase starting
capability at low temperatures. Suitable bat-
tery blankets are available from your autho-
rized Mopar dealer.
STARTING AND OPERATING
140

• You can start out (from a stop) in first or
second gear. Starting out in second gear
can be helpful in snow or icy conditions.
Tap the gear selector forward or rearward to
select the desired gear after the vehicle is
brought to a stop.
• If a requested downshift would cause the
engine to overspeed, that shift will not
occur.
• The system will ignore attempts to upshift
at too low of a vehicle speed.
• Avoid using speed control when AutoStick
is engaged because the transmission will
not shift automatically.
• Transmission shifting will be more notice-
able when AutoStick is enabled.
• The system may revert to automatic shift
mode if a fault or overheat condition is
detected.
To disengage AutoStick mode, return the gear
selector to the DRIVE position. You can shift
in or out of the AutoStick position at any time
without taking your foot off the accelerator
pedal.WARNING!
Do not downshift for additional engine
braking on a slippery surface. The drive
wheels could lose their grip and the ve-
hicle could skid, causing a collision or
personal injury.
FOUR-WHEEL DRIVE
OPERATION
1-Speed Four-Wheel Drive (4X4) — If
Equipped
This feature provides on-demand four-wheel
drive (4X4). The system is automatic with no
driver inputs or additional driving skills re-
quired. Under normal driving conditions, the
front wheels provide most of the traction. If
the front wheels begin to lose traction, power
is shifted automatically to the rear wheels.
The greater the front wheel traction loss, the
greater the power transfer to the rear wheels.Additionally, on dry pavement under heavy
throttle input (where one may have no wheel
spin), torque will be sent to the rear in a
pre-emptive effort to improve vehicle launch
and performance characteristics.
CAUTION!
All wheels must have the same size and
type tires. Unequal tire sizes must not be
used. Unequal tire size may cause failure
of the power transfer unit.
1-Speed 4X4 SwitchSTARTING AND OPERATING
150

• If the button is continually pushed, the set
speed will continue to increase in 5 mph
increments until the button is released. The
increase in set speed is reflected in the
instrument cluster display.
Metric Speed (km/h)
• Pushing the SET(+)button once will result
in a 1 km/h increase in set speed. Each
subsequent tap of the button results in an
increase of 1 km/h.
• If the button is continually pushed, the set
speed will continue to increase in 10 km/h
increments until the button is released. The
increase in set speed is reflected in the
instrument cluster display.
To Decrease Speed
While ACC is set, the set speed can be de-
creased by pushing the SET(-)button.
The speed decrement shown is dependant on
the chosen speed unit of U.S. (mph) or Metric
(km/h):U.S. Speed (mph)
• Pushing the SET(-)button once will result
in a 1 mph decrease in set speed. Each
subsequent tap of the button results in a
decrease of 1 mph.
• If the button is continually pushed, the set
speed will continue to decrease in 5 mph
increments until the button is released. The
decrease in set speed is reflected in the
instrument cluster display.
Metric Speed (km/h)
• Pushing the SET(-)button once will result
in a 1 km/h decrease in set speed. Each
subsequent tap of the button results in a
decrease of 1 km/h.
• If the button is continually pushed, the set
speed will continue to decrease in 10 km/h
increments until the button is released. The
decrease in set speed is reflected in the
instrument cluster display.
NOTE:
• When you override and push the SET(+)
button or SET(-)buttons, the new set
speed will be the current speed of the
vehicle.• When you use the SET(-)button to decel-
erate, if the engine’s braking power does
not slow the vehicle sufficiently to reach
the set speed, the brake system will auto-
matically slow the vehicle.
• The ACC system decelerates the vehicle to
a full stop when following a target vehicle.
If an ACC host vehicle follows a target
vehicle to a standstill, after two seconds the
driver will either have to push the RES
(resume) button, or apply the accelerator
pedal to reengage the ACC to the existing
set speed.
• The ACC system maintains set speed when
driving up hill and down hill. However, a
slight speed change on moderate hills is
normal. In addition, downshifting may oc-
cur while climbing uphill or descending
downhill. This is normal operation and nec-
essary to maintain set speed. When driving
up hill and down hill, the ACC system will
cancel if the braking temperature exceeds
normal range (overheated).
165