2016 JEEP GRAND CHEROKEE service

•Do not remove any screws from the sensor. Doing so
could cause an ACC system malfunction or failure and
require a sensor realignment.
• If the sensor or front end of the vehicle is damaged due
to a collision, see your authorized dealer for service.
• Do not attach or install any accessories near the sensor,
including transparent material or aftermarket grilles.
Doing so could cause an ACC system failure or
malfunction.
When the condition that deactivated the system is no
longer present, the system will return to the “Adaptive
Cruise Control Off” state and will resume function by
simply reactivating it. NOTE:
•
If the “ACC/FCW Unavailable Wipe Front Radar
Sensor” message occurs frequently (e.g. more than
once on every trip) without any snow, rain, mud, or
other obstruction, have the radar sensor realigned at
your authorized dealer.
• Installing a snow plow, front-end protector, an after-
market grille or modifying the grille is not recom-
mended. Doing so may block the sensor and inhibit
ACC/FCW operation.
“Clean Front Windshield” Warning
The “ACC/FCW Limited Functionality Clean Front Wind-
shield” warning will display and also a chime will indicate
when conditions temporarily limit system performance.
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UNDERSTANDING THE FEATURES OF YOUR VEHICLE 209

This most often occurs at times of poor visibility, such as in
snow or heavy rain and fog. The ACC system may also
become temporarily blinded due to obstructions, such as
mud, dirt, or ice on windshield and fog on the inside of
glass. In these cases, the DID will display “ACC/FCW
Limited Functionality Clean Front Windshield” and the
system will have degraded performance.
The “ACC/FCW Limited Functionality Clean Front
Windshield” message can sometimes be displayed while
driving in adverse weather conditions. The ACC/FCW
system will recover after the vehicle has left these areas.
Under rare conditions, when the camera is not tracking
any vehicles or objects in its path this warning may
temporarily occur.
If weather conditions are not a factor, the driver should
examine the windshield and the camera located on the
back side of the inside rear view mirror. They may
require cleaning or removal of an obstruction.When the condition that created limited functionality is
no longer present, the system will return to full function-
ality.
NOTE:
If the “ACC/FCW Limited Functionality Clean
Front Windshield” message occurs frequently (e.g. more
than once on every trip) without any snow, rain, mud, or
other obstruction, have the windshield and forward
facing camera inspected at your authorized dealer.
Service ACC/FCW Warning
If the system turns off, and the DID displays “ACC/FCW
Unavailable Service Required” or “Cruise/FCW Unavail-
able Service Required”, there may be an internal system
fault or a temporary malfunction that limits ACC func-
tionality. Although the vehicle is still drivable under
normal conditions, ACC will be temporarily unavailable.
If this occurs, try activating ACC again later, following an
ignition cycle. If the problem persists, see your autho-
rized dealer.
210 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

General Information
This vehicle has systems that operate on radio frequency
that comply with Part 15 of the Federal Communications
Commission (FCC) rules and with Industry Canada
Standards RSS- GEN/210/220/310.
Operation is subject to the following two conditions:
1. The device may not cause harmful interference.
2. The device must accept any interference received,including interference that may cause undesired op-
eration of the device.
Changes or modifications to any of these systems by
other than an authorized service facility could void
authorization to use this equipment.
Normal (Fixed Speed) Electronic Speed Control
Mode
In addition to Adaptive Cruise Control mode, a Normal
(Fixed Speed) Electronic Speed Control mode is available
for cruising at fixed speeds. The Normal (Fixed Speed)
Electronic Speed Control mode is designed to maintain a
set cruising speed without requiring the driver to operate
the accelerator. Electronic Speed Control can only be
operated if the vehicle speed is above 20 mph (32 km/h).
To change between the different control modes, push the
ADAPTIVE CRUISE CONTROL (ACC) ON/OFF button
which turns the ACC and the NORMAL (Fixed Speed)
ELECTRONIC SPEED CONTROL OFF. Pushing of the
NORMAL (Fixed Speed) ELECTRONIC SPEED CON-
TROL ON/OFF button will result in turning ON (chang-
ing to) the Normal (Fixed Speed) Electronic Speed Con-
trol mode.
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UNDERSTANDING THE FEATURES OF YOUR VEHICLE 215

FCW Limited Warning
If the DID displays “ACC/FCW Limited Functionality”
or “ACC/FCW Limited Functionality Clean Front Wind-
shield” momentarily, there may be a condition that limits
FCW functionality. Although the vehicle is still drivable
under normal conditions, the active braking may not be
fully available. Once the condition that limited the sys-
tem performance is no longer present, the system will
return to its full performance state. If the problem per-
sists, see your authorized dealer.
Service FCW Warning
If the system turns off, and the DID displays:
•ACC/FCW Unavailable Service Required
• Cruise/FCW Unavailable Service Required
This indicates there is an internal system fault. Although
the vehicle is still drivable under normal conditions, have
the system checked by an authorized dealer.
PARKSENSE REAR PARK ASSIST —
IF EQUIPPED
The ParkSense Rear Park Assist system provides visual
and audible indications of the distance between the rear
fascia and a detected obstacle when backing up, e.g.
during a parking maneuver. If your vehicle is equipped
with an Automatic Transmission, the vehicle brakes may
be automatically applied and released when performing
a reverse parking maneuver if the system detects a
possible collision with an obstacle.
NOTE:
• The driver can override the automatic braking func-
tion by pressing the gas pedal, turning ParkSense off
via ParkSense switch, or changing the gear while the
automatic brakes are being applied.
• Automatic brakes will not be available if ESC is not
available.
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UNDERSTANDING THE FEATURES OF YOUR VEHICLE 223

The ParkSense switch LED will be ON when ParkSense is
disabled or requires service. The ParkSense switch LED
will be OFF when the system is enabled. If the ParkSense
switch is pushed, and the system requires service, the
ParkSense switch LED will blink momentarily, and then
the LED will be ON.
Service The ParkSense Rear Park Assist System
During vehicle start up, when the ParkSense Rear Park
Assist System has detected a faulted condition, the
instrument cluster will actuate a single chime, once per
ignition cycle, and it will display the “PARKSENSE
UNAVAILABLE WIPE REAR SENSORS” or the
“PARKSENSE UNAVAILABLE SERVICE REQUIRED”
message. Refer to “Driver Information Display (DID)” for
further information. When the gear selector is moved toREVERSE and the system has detected a faulted condi-
tion, the DID will display the
PARKSENSE UNAVAIL-
ABLE WIPE REAR SENSORS orPARKSENSE UN-
AVAILABLE SERVICE REQUIRED message for as long
as the vehicle is in REVERSE. Under this condition,
ParkSense will not operate.
If “PARKSENSE UNAVAILABLE WIPE REAR SEN-
SORS” appears in the Driver Information Display (DID)
make sure the outer surface and the underside of the rear
fascia/bumper is clean and clear of snow, ice, mud, dirt
or other obstruction and then cycle the ignition. If the
message continues to appear, see an authorized dealer.
If “PARKSENSE UNAVAILABLE SERVICE REQUIRED”
appears in the DID, see an authorized dealer.
232 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

system misinterpreting a close object as a sensor
problem, causing the “PARKSENSE UNAVAILABLE
SERVICE REQUIRED” message to be displayed in the
DID.
• ParkSense should be disabled when the liftgate is in
the open position and the vehicle is in REVERSE. An
open liftgate could provide a false indication that an
obstacle is behind the vehicle.
CAUTION!
• ParkSense is only a parking aid and it is unable to
recognize every obstacle, including small obstacles.
Parking curbs might be temporarily detected or not
detected at all. Obstacles located above or below
the sensors will not be detected when they are in
close proximity.
(Continued)
CAUTION! (Continued)
•The vehicle must be driven slowly when using
ParkSense in order to be able to stop in time when
an obstacle is detected. It is recommended that
the driver looks over his/her shoulder when using
ParkSense.
WARNING!
• Drivers must be careful when backing up even
when using ParkSense. Always check carefully
behind your vehicle, look behind you, and be sure
to check for pedestrians, animals, other vehicles,
obstructions, and blind spots before backing up.
You are responsible for safety and must continue to
pay attention to your surroundings. Failure to do so
can result in serious injury or death.
(Continued)
234 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Front Park Assist Audible Alerts
ParkSense will turn off the Front Park Assist audible alert
(chime) after approximately 3 seconds when an obstacle
has been detected, the vehicle is stationary, and brake
pedal is applied.
Adjustable Chime Volume Settings
Front and Rear chime volume settings can be selected
from the Uconnect System. Refer toUconnect Settings”
in “Understanding Your Instrument Panel” for further
information.
The chime volume settings include LOW, MEDIUM, and
HIGH. The factory default volume setting is MEDIUM.
ParkSense will retain its last known configuration state
through ignition cycles.Enabling And Disabling ParkSense
ParkSense can be enabled and disabled with the
ParkSense switch.
When the ParkSense switch is pushed to dis-
able the system, the instrument cluster will
display the “PARKSENSE OFF” message for
approximately five seconds. Refer to “Driver
Information Display (DID)” in “Understanding Your
Instrument Panel” for further information. When the
gear selector is moved to REVERSE and the system is
disabled, the DID will display the “PARKSENSE OFF”
message for as long as the vehicle is in REVERSE.
The ParkSense switch LED will be ON when ParkSense is
disabled or requires service. The ParkSense switch LED
will be OFF when the system is enabled. If the ParkSense
switch is pushed, and the system requires service, the
ParkSense switch LED will blink momentarily, and then
the LED will be ON.
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UNDERSTANDING THE FEATURES OF YOUR VEHICLE 245

Service The ParkSense Park Assist System
During vehicle start up, when the ParkSense System has
detected a faulted condition, the instrument cluster will
actuate a single chime, once per ignition cycle, and it will
display thePARKSENSE UNAVAILABLE WIPE REAR
SENSORS, PARKSENSE UNAVAILABLE WIPE
FRONT SENSORS,orthePARKSENSE UNAVAIL-
ABLE SERVICE REQUIRED message for five seconds.
When the gear selector is moved to Reverse and the
system has detected a faulted condition, the Driver
Information Display (DID) will display a PARKSENSE
UNAVAILABLE WIPE REAR SENSORS ,PARKSENSE
UNAVAILABLE WIPE FRONT SENSORS or
PARKSENSE UNAVAILABLE SERVICE REQUIRED 
pop up message for five seconds. After five seconds, a
vehicle graphic will be displayed with UNAVAILABLE
at either the front or rear sensor location depending on
where the fault is detected. The system will continue to
provide arc alerts for the side that is functioning properly. These arc alerts will interrupt the
PARKSENSE UN-
AVAILABLE WIPE REAR SENSORS, PARKSENSE UN-
AVAILABLE WIPE FRONT SENSORS,orPARKSENSE
UNAVAILABLE SERVICE REQUIRED messages if an
object is detected within the five second pop-up duration.
The vehicle graphic will remain displayed for as long as
the vehicle is in REVERSE. Refer to “Driver Information
Display (DID)” for further information.
If PARKSENSE UNAVAILABLE WIPE REAR SENSORS
or PARKSENSE UNAVAILABLE WIPE FRONT SEN-
SORS appears in the Driver Information Display (DID)
make sure the outer surface and the underside of the rear
fascia/bumper and/or front fascia/bumper is clean and
clear of snow, ice, mud, dirt or other obstruction and then
cycle the ignition. If the message continues to appear see
an authorized dealer.
If the PARKSENSE UNAVAILABLE SERVICE RE-
QUIRED message appears in the DID, see an authorized
dealer.
246 UNDERSTANDING THE FEATURES OF YOUR VEHICLE