See also:

Tips and Troubleshooting Chart
Problem Recommended Action No power. The ignition might not be turned to ON/RUN or ACC/ ACCESSORY. The picture does not fill the screen. There are black borders on t ...

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 ...

Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasoline d ...