OnStar Services

See also:

Operating UHP Using Voice Control
The voice control of the UHP system enables you to operate several functions of the mobile phone using your voice. The UHP system uses voice commands to control the system and dial phone n ...

Radio(s)
Radio with CD (MP3) shown, Radio with Six-Disc CD (MP3) similar The vehicle has one of these radios as its audio system. ...

How to Check
Use a good quality pocket-type gage to check tire pressure. You cannot tell if your tires are properly inflated simply by looking at them. Radial tires may look properly inflated even when they’ ...