OnStar Services

See also:

Driver Information Center (DIC)
Your vehicle has a Driver Information Center (DIC). All messages will appear in the DIC display located below the speedometer in the instrument panel cluster. The DIC buttons are located on the in ...

Antilock Brake System (ABS)
This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the engine is started and the vehicle begins to drive away, ABS check ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be hear ...