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 Advisor. To ch ...

Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or p ...

Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required. It is ...