See also:

Care of the CD and DVD Player
Do not add any label to a disc. It could get caught in the CD or DVD player. If a disc is recorded on a personal computer and a description label is needed, try labeling the top of the recorded disc ...

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. ...

FM
FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially aroun ...