See also:

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 Advi ...

Starting the Gasoline Engine
Place the transmission in the proper gear by moving the shift lever to P (Park) or N(Neutral). To restart the engine when the vehicle is already moving, use N (Neutral). Notice: Do not try to shi ...

Wheel Replacement
Replace any wheel that is bent, cracked, or badly rusted or corroded. If wheel nuts keep coming loose, the wheel, wheel bolts, and wheel nuts should be replaced. If the wheel leaks air, repla ...