User Manual - Page 132

For 2021 JEEP GRAND CHEROKEE.

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130 STARTING AND OPERATING
To decrease the distance setting, push the
Distance Decrease button and release. Each
time the button is pushed, the distance setting
decreases by one bar (shorter).
If there is no vehicle ahead, the vehicle will
maintain the set speed. If a slower moving
vehicle is detected in the same lane, the
instrument cluster display will show the ACC Set
With Target Detected Light. The system will then
adjust vehicle speed automatically to maintain
the distance setting, regardless of the set
speed.
The vehicle will then maintain the distance set
by the driver until:
The vehicle ahead accelerates to a speed
above the set speed.
The vehicle ahead moves out of your lane or
view of the sensor.
The distance setting is changed.
The system disengages Ú page 126.
The maximum braking applied by ACC is limited;
however, the driver can always apply the brakes
manually, if necessary.
NOTE:
The brake lights will illuminate whenever the
ACC system applies the brakes.
A Proximity Warning will alert the driver if ACC
predicts that its maximum braking level is not
sufficient to maintain the set distance. If this
occurs, a visual alert “BRAKE” will flash in the
instrument cluster display and a chime will
sound while ACC continues to apply its
maximum braking force.
NOTE:
The “BRAKE!” Screen in the instrument cluster
display is a warning for the driver to take action
and does not necessarily mean that the
Forward Collision Warning system is applying
the brakes autonomously.
Overtake Aid
When driving with ACC engaged and following a
vehicle, the system will provide an additional
acceleration up to the ACC set speed to assist in
passing the vehicle. This additional acceleration
is triggered when the driver utilizes the left turn
signal and will only be active when passing on
the left hand side.
ACC Operation At Stop
If the ACC system brings your vehicle to a
standstill while following a vehicle ahead, your
vehicle will resume motion, without any driver
interaction, if the vehicle ahead starts moving
within two seconds of your vehicle coming to a
standstill.
If the vehicle in front does not start moving within
two seconds of your vehicle coming to a standstill,
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.
While ACC with Stop is holding your vehicle at a
standstill, if the driver seat belt is unbuckled or
the driver door is opened, the ACC with Stop
system will cancel and the brakes will release. A
cancel message will display on the instrument
cluster display and produce a warning chime.
The driver must now manually operate the
vehicle’s accelerator and brakes.
WARNING!
When the ACC system is resumed, the driver
must ensure that there are no pedestrians,
vehicles or objects in the path of the vehicle.
Failure to follow these warnings can result in a
collision and death or serious personal injury.
21_WK_OM_EN_USC_t.book Page 130
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