See also:

What to Use
WARNING Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning sy ...

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. T ...

Trip Odometer
Press the trip odometer reset stem until TRIP displays. This display shows the current distance traveled in either kilometers (km) or miles (mi) since the last reset for the trip odometer. The trip o ...