See also:

Extending Engine Run Time
The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can only be extended once. When remote start is extended, the second 10 minutes w ...

Engine Coolant Heater
The engine coolant heater can provide easier starting and better fuel economy during engine warm-up in cold weather conditions at or below 0°F (−18°C). Vehicles with an engine coolant he ...

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 ...