Retained Accessory Power (RAP)
These vehicle accessories can be used for up to 10 minutes after the engine is turned off:
○ Audio System
○ Power Windows
○ Sunroof (if equipped)
Power to the audio system will continue to operate for up to 10 minutes or until the driver door is opened.
Power to the power windows and sunroof will continue to operate for up to 10 minutes or until any door is opened.
All these features will work when the key is in ON/RUN or ACC/ ACCESSORY.
See also:
Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum
capacity, this message may come on. Push Q to try the call again or try again after
driving a few miles into anoth ...
Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know.
WARNING
Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhau ...
Vehicle Messages
Messages are displayed on the DIC to notify the driver that the status of the
vehicle has changed and that some action may be needed by the driver to correct
the condition. Multiple messages may a ...





