See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Guidelines
The RVC system has a guideline overlay that can help the driver align the vehicle when backing into a parking spot. To turn the guidelines on or off: 1. Make sure that URPA has not been disabled. ...

Care of the CD/DVD Player
Do not add a label to a disc; it could get caught in the CD/DVD player. If a label is needed, label the top of the recorded disc with a marking pen. The use of disc lens cleaners for discs i ...