OnStar Services

See also:

MP3-Supported Files
The Radio with CD (MP3), Radio with USB and CD (MP3), and Radio with USB and Six-Disc CD (MP3) have the capability of playing an MP3 CD-R or CD-RW disc. Format Radios that have the capability of pla ...

Power Door Locks
If available, the switches are on the front doors. : Press to unlock the doors. : Press to lock the doors. ...

How to Add Coolant to the Recovery Tank
WARNING You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol and it will burn if the engine parts are hot enough. Do not spill coolant on a hot engine. Notic ...