Retained Accessory Power (RAP)
The following vehicle accessories can be used for up to 10 minutes after the engine is turned off:
• Audio System
• Power Windows
• OnStar System (if equipped)
• Sunroof (if equipped)
These features work when the key is in ON/RUN or ACC/ ACCESSORY. Once the key is turned from ON/RUN to LOCK/OFF, the windows and sunroof continue to work up to 10 minutes until any door is opened. The radio continues to work for up to 10 minutes or until the driver door is opened.
See also:
Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs:
• The vehicle is no longer in ON/RUN.
• The trip/fuel or vehicle information DIC buttons are pressed.
• The end of t ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
Radios with CD and DVD Audio Output
Only one audio source can be heard through the speakers at one time.
An audio source is defined as DVD slot, CD slot, XM, FM/AM, Front Auxiliary Jack, or Rear Auxiliary Jack.
Press to turn the radi ...