OnStar Services

See also:

Antilock Brake System (ABS) Warning Light
For vehicles with the Antilock Brake System (ABS), this light comes on briefly when the engine is started. If it does not, have the vehicle serviced by your dealer/retailer. If the system ...

StabiliTrak®
The vehicle may have the StabiliTrak system that assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is star ...

Safety Locks
Safety Locks Press o to activate the safety locks on the rear doors. The LED (A) comes on when activated. The rear door power windows are also disabled. Press o again to deactivate the ...