See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

Maps
This section includes basic information that you need to know about the map database. The maps are stored on a compact flash drive that is built into the navigation system. ...

Steering Wheel Controls
If available, some audio controls can be adjusted at the steering wheel. or : Press to select the next favorite radio station or next CD, DVD, if equipped, or MP3 track. Press to select the ...