Making a Call

Calls can be made using the following commands:
• Dial
• Digit Dial
• Call
• Re-dial

    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 the v ...

    Playing a CD or MP3 CD (Radio with CD and Touchscreen)
    Press the TUNE/MENU knob to display the CD Menu. Shuffle: Select to play the tracks randomly rather than in sequence. Select again to stop shuffle. A checkmark indicates shuffle is on. Track List: ...

    Maintenance When Trailer Towing
    Your vehicle will need service more often when you’re pulling a trailer. See the Maintenance Schedule for more on this. Things that are especially important in trailer operation are automatic tr ...