OnStar Services

See also:

Anti-theft Alarm System Messages
SERVICE THEFT DETERRENT SYSTEM This message displays when there is a problem with the theft-deterrent system programmed in the key. A fault has been detected in the system which means that t ...

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 gasolin ...

Safety Belts
This section of the manual describes how to use safety belts properly. It also describes some things not to do with safety belts. WARNING! Do not let anyone ride where a safety belt cannot b ...