See also:

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. ...

Bluetooth (Infotainment Controls)
For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/IntelliLink Features and Functions Guide for more information. For information about how to n ...

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. ...