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 ...

Services Not Included in Roadside Service
Impound towing caused by violation of any laws. Legal fines. Mounting, dismounting, or changing of snow tires, chains, or other traction devices. Towing or services for vehicles driven on ...

U-Rail
For vehicles with a u-rail system, the fence can be moved to different positions on the u-rail track to secure cargo. Push both adapter buttons to move the adapters (B) on the straight par ...