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 ...

Extending Engine Run Time
For a 10-minute extension, repeat Steps 1–3 while the engine is still running. The remote start can be extended once. When the remote start is extended, the second 10 minutes will start immediate ...

Dinghy Towing
Dinghy Towing Notice: If the vehicle is towed with all four wheels on the ground, the drivetrain components could be damaged. The repairs would not be covered by the vehicle warranty. Do ...