2020 JEEP GRAND CHEROKEE park assist

QUADRA-LIFT — IF EQUIPPED............ 163Description.................... 163
Air Suspension Modes............. 165
Instrument Cluster Display Messages..... 166
Operation..................... 166
SELEC-TERRAIN — IF EQUIPPED........... 167Selec-Terrain Mode Selection......... 167
Instrument Cluster Display Messages..... 168
SELEC-TRACK — IF EQUIPPED (SRT)........ 168Custom....................... 169
Active Damping System............. 169
Launch Control— If Equipped......... 170
Guidelines For Track Use............ 171
SPEED CONTROL — IF EQUIPPED.......... 172To Activate.................... 173
To Set A Desired Speed............ 173
To Resume Speed................ 173
To Deactivate................... 174
ADAPTIVE CRUISE CONTROL (ACC)
— IF EQUIPPED.................... 174
To Activate/Deactivate.............. 174
To Set A Desired ACC Speed.......... 175
To Resume.................... 175
To Vary The Speed Setting........... 175
Setting The Following Distance In ACC.... 177
PARKSENSE REAR PARK ASSIST — IF EQUIPPED . . 177ParkSense Sensors................ 177
ParkSense Warning Display........... 177
Enabling And Disabling ParkSense...... 178
ParkSense System Usage Precautions.... 178
PARKSENSE FRONT AND REAR PARK ASSIST — IF
EQUIPPED....................... 179
ParkSense Sensors................ 179
Enabling And Disabling ParkSense...... 180
PARKSENSE ACTIVE PARK ASSIST SYSTEM — IF
EQUIPPED....................... 180
Enabling And Disabling The ParkSense Active
Park Assist System................ 181
LANESENSE — IF EQUIPPED............. 181LaneSense Operation.............. 181
Turning LaneSense On Or Off......... 182
LaneSense Warning Message.......... 182
Changing LaneSense Status.......... 183
PARKVIEW REAR BACK UP CAMERA — IF
EQUIPPED....................... 184
REFUELING THE VEHICLE — GASOLINE ENGINE . . . 185
Emergency Fuel Filler Door Release..... 187
REFUELING THE VEHICLE — DIESEL ENGINE.... 188Avoid Using Contaminated Fuel........ 190
AdBlue®(UREA) — If Equipped....... 190
TRAILER TOWING................... 192Trailer Towing Weights (Maximum Trailer Weight
Ratings) — Non SRT.............. 192
Trailer Towing Weights (Maximum Trailer Weight
Ratings) — SRT................. 194
Trailer Hitch Receiver Cover Removal (Summit
Models) — If Equipped............. 194
Trailer Hitch Receiver Cover Removal (SRT
Models) — If Equipped............. 196
RECREATIONAL TOWING (BEHIND MOTORHOME,
ETC.).......................... 198
Towing This Vehicle Behind Another
Vehicle....................... 198
Recreational Towing — Two Wheel Drive
Models....................... 199
Recreational Towing — Quadra-Trac I
(Single-Speed Transfer Case) Four-Wheel Drive
Models....................... 199Recreational Towing — Quadra–Trac II/
Quadra–Drive II Four-Wheel Drive Models . . 200
IN CASE OF EMERGENCY
HAZARD WARNING FLASHERS............ 203
BULB REPLACEMENT................. 204
Replacement Bulbs............... 204
Bulb Replacement................ 206
FUSES......................... 210General Information............... 210
Underhood Fuses................ 210
JACKING AND TIRE CHANGING............ 217Run Flat Tires — SRT Models......... 217
Jack Location................... 217
Spare Tire Stowage............... 217
Preparations For Jacking............ 218
Jacking Instructions............... 218
Road Tire Installation.............. 222
Declaration Of Conformance.......... 222
Jack Usage Precautions............ 225
JUMP STARTING.................... 225Preparations For Jump Start.......... 226
Jump Starting Procedure............ 227
REFUELING IN EMERGENCY.............. 228
IF YOUR ENGINE OVERHEATS............ 228
MANUAL PARK RELEASE............... 229
FREEING A STUCK VEHICLE.............. 230
TOWING A DISABLED VEHICLE............ 231
Without The Key Fob.............. 233
Two-Wheel Drive Models............ 233
Four-Wheel Drive Models............ 233
Tow Eye Usage — If Equipped......... 234
Emergency Tow Hooks — If Equipped.... 235
ENHANCED ACCIDENT RESPONSE SYSTEM (EARS). . 235
TABLE OF CONTENTS
8

• Engine Will Not Restart in XXX mi Service
AdBlue®See Dealer
• Engine Will Not Restart Service AdBlue
®
System See Dealer
• Engine Will Not Start Service AdBlue
®Sys-
tem See Dealer
Diesel Particulate Filter (DPF) Messages
— If Equipped
This engine meets all required diesel engine
emissions standards. To achieve these emis-
sions standards, your vehicle is equipped
with a state-of-the-art engine and exhaust
system. These systems are seamlessly inte-
grated into your vehicle and managed by the
Powertrain Control Module (PCM). The PCM
manages engine combustion to allow the ex-
haust system’s catalyst to trap and burn Par-
ticulate Matter (PM) pollutants, with no input
or interaction on your part.
WARNING!
A hot exhaust system can start a fire if you
park over materials that can burn. Such
materials might be grass or leaves coming
WARNING!
into contact with your exhaust system. Do
not park or operate your vehicle in areas
where your exhaust system can contact
anything that can burn.
Your vehicle has the ability to alert you to
additional maintenance required on your ve-
hicle or engine. Refer to the following mes-
sages that may be displayed on your instru-
ment cluster display:
•Exhaust Filter Nearing Full Safely Drive at
Highway Speeds to Clear— This message
will be displayed if the exhaust particulate
filter reaches 80% of its maximum storage
capacity. Under conditions of exclusive
short duration and low speed driving cycles,
your diesel engine and exhaust after-
treatment system may never reach the con-
ditions required to cleanse the filter to
remove the trapped PM. If this occurs, the
“Exhaust Filter XX% Full Safely Drive at
Highway Speeds to Remedy” message will
be displayed. If this message is displayed,
you will hear one chime to assist in alerting
you of this condition. By simply driving yourvehicle at highway speeds for up to 20 min-
utes, you can remedy the condition in the
particulate filter system and allow your die-
sel engine and exhaust after-treatment sys-
tem to cleanse the filter to remove the
trapped PM and restore the system to nor-
mal operating condition.
•Exhaust System Regeneration in Process Con-
tinue Driving— This message indicates that
the Diesel Particulate Filter (DPF) is self-
cleaning. Maintain your current driving
condition until regeneration is completed.
•Exhaust System — Regeneration Completed
— This message indicates that the Diesel
Particulate Filter (DPF) self-cleaning is
completed. If this message is displayed,
you will hear one chime to assist in alerting
you of this condition.
•Exhaust System Service Required — See
Dealer— This messages indicates regen-
eration has been disabled due to a system
malfunction. At this point the engine Pow-
ertrain Control Module (PCM) will register a
fault code, the instrument panel will dis-
play a MIL light.
69

If brake failure is indicated, immediate repair
is necessary.
WARNING!
Driving a vehicle with the red brake light
on is dangerous. Part of the brake system
may have failed. It will take longer to stop
the vehicle. You could have a collision.
Have the vehicle checked immediately.
Vehicles equipped with the Anti-Lock Brake
System (ABS) are also equipped with Elec-
tronic Brake Force Distribution (EBD). In the
event of an EBD failure, the Brake Warning
Light will turn on along with the ABS Light.
Immediate repair to the ABS system is re-
quired.
Operation of the Brake Warning Light can be
checked by turning the ignition switch from
the OFF position to the ON/RUN position.
The light should illuminate for approximately
four seconds. The light should then turn off
unless the parking brake is applied or a brake
fault is detected. If the light does not illumi-
nate, have the light inspected by an autho-
rized dealer.The light also will turn on when the parking
brake is applied with the ignition switch in
the ON/RUN position.
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. If
GETTING TO KNOW YOUR INSTRUMENT PANEL
74

WARNING!
The Brake Assist System (BAS) cannot
prevent the natural laws of physics from
acting on the vehicle, nor can it increase
the traction afforded by prevailing road
conditions. BAS cannot prevent collisions,
including those resulting from excessive
speed in turns, driving on very slippery
surfaces, or hydroplaning. The capabilities
of a BAS-equipped vehicle must never be
exploited in a reckless or dangerous man-
ner, which could jeopardize the user's
safety or the safety of others.
Hill Start Assist (HSA)
The HSA system is designed to mitigate roll
back from a complete stop while on an in-
cline. If the driver releases the brake while
stopped on an incline, HSA will continue to
hold the brake pressure for a short period. If
the driver does not apply the throttle before
this time expires, the system will release
brake pressure and the vehicle will roll down
the hill as normal.The following conditions must be met in
order for HSA to activate:
• The feature must be enabled.
• The vehicle must be stopped.
• Park brake must be off.
• Driver door must be closed.
• The vehicle must be on a sufficient grade.
• The gear selection must match vehicle up-
hill direction (i.e., vehicle facing uphill is in
forward gear; vehicle backing uphill is in
REVERSE gear).
• HSA will work in REVERSE gear and all
forward gears. The system will not activate
if the transmission is in PARK or NEU-
TRAL. For vehicles equipped with a manual
transmission, if the clutch is pressed, HSA
will remain active.
WARNING!
There may be situations where the Hill
Start Assist (HSA) will not activate and
slight rolling may occur, such as on minor
hills or with a loaded vehicle, or while
pulling a trailer. HSA is not a substitute for
WARNING!
active driving involvement. It is always the
driver’s responsibility to be attentive to
distance to other vehicles, people, and
objects, and most importantly brake op-
eration to ensure safe operation of the
vehicle under all road conditions. Your
complete attention is always required
while driving to maintain safe control of
your vehicle. Failure to follow these warn-
ings can result in a collision or serious
personal injury.
Disabling And Enabling HSA
This feature can be turned on or turned off.
To change the current setting, proceed as
follows:
• If disabling HSA using your instrument
cluster display, refer to “Instrument Cluster
Display” in “Getting To Know Your Instru-
ment Panel” for further information.
• If disabling HSA using Uconnect Settings,
refer to “Uconnect Settings” in “Multime-
dia” for further information.
SAFETY
88

For vehicles not equipped with an instrument
cluster display, perform the following steps:
1. Center the steering wheel (front wheels
pointing straight forward).
2. Shift the transmission into PARK.
3. Apply the parking brake.
4. Start the engine.
5. Rotate the steering wheel slightly more
than one-half turn to the left.
6. Push the “ESC Off” button located in the
lower switch bank below the climate con-
trol four times within 20 seconds. The
“ESC Off Indicator Light” should turn on
and turn off two times.
7. Rotate the steering wheel back to center
and then an additional slightly more than
one-half turn to the right.
8. Turn the ignition to the OFF mode and
then back to ON. If the sequence was
completed properly, the “ESC Off Indica-
tor Light” will blink several times to con-
firm HSA is disabled.
9. Repeat these steps if you want to return
this feature to its previous setting.Towing With HSA
HSA will also provide assistance to mitigate
roll back while towing a trailer.
WARNING!
• If you use a trailer brake controller with
your trailer, the trailer brakes may be
activated and deactivated with the brake
switch. If so, there may not be enough
brake pressure to hold both the vehicle
and the trailer on a hill when the brake
pedal is released. In order to avoid roll-
ing down an incline while resuming ac-
celeration, manually activate the trailer
brake or apply more vehicle brake pres-
sure prior to releasing the brake pedal.
• HSA is not a parking brake. Always apply
the parking brake fully when exiting your
vehicle. Also, be certain to place the
transmission in PARK.
• Failure to follow these warnings can re-
sult in a collision or serious personal
injury.
Traction Control System (TCS)
This system monitors the amount of wheel
spin of each of the driven wheels. If wheel
spin is detected, the TCS may apply brake
pressure to the spinning wheel(s) and/or re-
duce engine power to provide enhanced ac-
celeration and stability. A feature of the TCS,
Brake Limited Differential (BLD), functions
similar to a limited slip differential and con-
trols the wheel spin across a driven axle. If
one wheel on a driven axle is spinning faster
than the other, the system will apply the
brake of the spinning wheel. This will allow
more engine power to be applied to the wheel
that is not spinning. BLD may remain en-
abled even if TCS and ESC are in a reduced
mode.
Electronic Stability Control (ESC)
This system enhances directional control and
stability of the vehicle under various driving
conditions. ESC corrects for oversteering or
understeering of the vehicle by applying the
brake of the appropriate wheel(s) to assist in
counteracting the oversteer or understeer
condition. Engine power may also be reduced
to help the vehicle maintain the desired path.
89

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 responsible
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.
95

Deactivating SSC
SSC will be deactivated but remain available
if any of the following conditions occur:
• Driver overrides SSC 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 shifted to PARK.
Disabling SSC
SSC will deactivate and be disabled if any of
the following conditions occur:
• The driver pushes the SSC 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) (SSC exits immediately).Feedback To The Driver:
The instrument cluster has an SSC icon and
the SSC switch has an LED which offer feed-
back to the driver about the state SSC is in.
• The cluster icon and switch lamp will illu-
minate and remain on solid when SSC is
enabled or activated. This is the normal
operating condition for SSC.
• The cluster icon and switch lamp will flash
for several seconds then extinguish when
the driver pushes the SSC switch but en-
able conditions are not met.
• The cluster icon and switch lamp will flash
for several seconds then extinguish when
SSC disables due to excess speed.
• The cluster icon and switch lamp will flash
then extinguish when SSC deactivates due
to overheated brakes.WARNING!
SSC is only intended to assist the driver in
controlling vehicle speed when driving in
off road conditions. The driver must re-
main attentive to the driving conditions
and is responsible for maintaining a safe
vehicle speed.
AUXILIARY DRIVING
SYSTEMS
Blind Spot Monitoring (BSM) — If
Equipped
The Blind Spot Monitoring (BSM) system
uses two radar sensors, located inside the
rear bumper fascia, to detect highway licens-
able vehicles (automobiles, trucks, motor-
cycles, etc.) that enter the blind spot zones
from the rear/front/side of the vehicle.
97

NOTE:
Only press one pedal at a time while driving
the vehicle. Torque performance of the ve-
hicle could be reduced if both pedals are
pressed at the same time. If pressure is
detected on both pedals simultaneously, a
warning message will display in the instru-
ment cluster. For further information, refer to
“Instrument Cluster Display” in “Getting To
Know Your Instrument Panel”.
AutoPark
AutoPark is a supplemental feature to assist
in placing the vehicle in PARK should the
situations on the following pages occur. It is a
back up system and should not be relied upon
as the primary method by which the driver
shifts the vehicle into PARK.
The conditions under which AutoPark will
engage are outlined on the following pages.
WARNING!
• Driver inattention could lead to failure to
place the vehicle in PARK. ALWAYS DO
A VISUAL CHECK that your vehicle is in
WARNING!
PARK by verifying that a solid (not blink-
ing) “P” is indicated in the instrument
cluster display and on the gear selector.
If the "P" indicator is blinking, your ve-
hicle is not in PARK. As an added pre-
caution, always apply the parking brake
when exiting the vehicle.
• AutoPark is a supplemental feature. It is
not designed to replace the need to shift
your vehicle into PARK. It is a back up
system and should not be relied upon as
the primary method by which the driver
shifts the vehicle into PARK.
If the vehicle is not in PARK and the driver turns
off the engine, the vehicle may AutoPark.
AutoPark will engage when all of these con-
ditions are met:
• Vehicle is equipped with an 8-speed trans-
mission
• Vehicle is not in PARK
• Vehicle Speed is 1.2 MPH (1.9 km/h) or
less
• Ignition switched from RUN to ACCNOTE:
For Keyless Go equipped vehicles, The en-
gine will turn off and the ignition switch will
change to ACC mode. After 30 minutes the
ignition switches to OFF automatically, un-
less the driver turns the ignition switch OFF.
If the vehicle is not in PARK and the driver exits
the vehicle with the engine running, the vehicle
may AutoPark.
AutoPark will engage when all of these con-
ditions are met:
• Vehicle is equipped with an 8-speed trans-
mission
• Vehicle is not in PARK
• Vehicle Speed is 1.2 MPH (1.9 km/h) or
less
• Driver’s seat belt is unbuckled
• Driver’s door is ajar
• Brake Pedal is not depressed
The MESSAGE “AutoPark Engaged Shift to P
then Shift to Gear”will display in the instru-
ment cluster.
147