See also:

Daytime Running Lamps (DRL)
Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Ca ...

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 ...

Radio (s)
Press to turn the system on and off. Turn to increase or decrease the volume. RADIO/BAND: Press to choose between FM, AM, or XM™, if equipped. Turn to select radio stations. Press to seek the p ...