Reactivation for Subsequent Owners
Push
and follow the prompts to speak to an Advisor as soon as possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the
vehicle has a diesel engine and/or an Allison Transmission, see the maintenance schedule section in the DURAMAX®
Diesel ...
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 ...
Battery Power Protection
This feature helps prevent the battery from being drained, if the interior courtesy lamps or reading lamps are accidentally left on.
If any of these lamps are left on, they automatically turn off aft ...





