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 ...

Engine Cover
Engine Cover (CTS) To remove: 1. Remove the oil fill cap (A). 2. Raise the right front corner of the engine cover (B) to release it from the ball stud. 3. Pull the engine cover (B) forward ...

Entering the Feature Settings Menu
1. Turn the ignition on. To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to enter the feature settings menu. ...