See also:

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

CD/DVD Player
The CD/DVD player can play CDs, DVD-As, MP3/WMA CDs, MP3/WMA DVDs, and DVD-Vs. The CD/DVD player will not play 8 cm (3 in) discs. ...

Courtesy Lamps
The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position. ...