See also:

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 fea ...

Tips and Troubleshooting Chart
...

Battery Replacement
To change the remote control batteries: 1. Slide the rear cover back on the remote control. 2. Replace the two batteries in the compartment. Make sure they are installed correctly using the diagra ...