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:
Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance coverage.
There are significant differences in the quality of coverage afforded by various insurance policy terms. ...
Door Ajar Messages
DOOR OPEN
A door open symbol will be displayed on the DIC showing which door is open. If
the vehicle has been shifted out of P (Park), a DOOR OPEN message will also be displayed.
Close the door c ...
Engine Oil Change
When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter
changed within the next 1 000 km/600 mi. If driven under the best conditions, the
engine oil life system might not ...





