See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

Radio Reception
You may experience frequency interference and static during normal radio reception if items such as cellphone chargers, vehicle convenience accessories, and external electronic devices are plugged ...

Home Page Features
Various functions are disabled when the vehicle is moving. Press the Now Playing screen button to display the active source page. The sources available are AM, FM, XM (if equipped), CD, USB ...