Retained Accessory Power (RAP)
Your vehicle has a Retained Accessory Power (RAP) feature which lets certain features of your vehicle to continue to work up to 20 minutes after the ignition key is turned to LOCK.
The radio, power windows, the overhead console and the sunroof, if the vehicle has one, work when the ignition key is in RUN or ACCESSORY.
Once the key is turned from RUN to LOCK, these features continue to work for up to 20 minutes, or until a door is opened.
See also:
Anti-theft Alarm System
This vehicle has an anti-theft alarm system. ...
Instrument Panel Illumination Control
Instrument Panel Illumination Control
The brightness of the instrument
panel lighting and steering wheel
controls can be adjusted.
(Instrument Panel
Illumination): Move and hold the
thumb ...
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free ...