Jeep Grand Cherokee 2013 Owner's Manual page 247

FCW Off Example
NOTE:
• The system will retain the last setting selected by the
driver after ignition shut down.
• FCW will not react to irrelevant objects such as overhead
objects, ground reflections, objects not in the path of the
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 245
car, stationary objects that are far away, oncoming traffic,
or leading vehicles with the same or higher rate of speed.
• FCW will be disabled like ACC below with the un-
available screens.
FCW Unavailable Warning
If the system turns off, and the EVIC displays "ACC/FCW
Unavailable, Vehicle System Error", there may be a tempo-
rary malfunction that limits FCW functionality. Although
the vehicle is still drivable under normal conditions, FCW
will be temporarily unavailable. If this occurs, try activat-
ing FCW again later, following a key cycle. If the problem
persists, see your authorized dealer.
Service FCW Warning
If the system turns off, and the EVIC displays "ACC/
FCW Unavailable Service Radar Sensor", it indicates
there is an internal system fault. Although the vehicle is
still drivable under normal conditions, have the system
checked by an authorized dealer.
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