OnStar

See also:

Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See En ...

Radio Message
Locked: Displays when the TheftLock® system has locked up the infotainment system. Take the vehicle to your dealer for service. If any error occurs repeatedly or if an error cannot be correct ...

Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. - Press to answer the call. - Press to ignore a call. ...