Reactivation for Subsequent Owners

Push speak to an Advisor as soon as 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:

    Coverage
    Services are provided up to 5 years/160 000 km (100,000 mi), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permiss ...

    Checking the Fluid Level
    Prepare the vehicle as follows: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). 3. With your foot on the bra ...

    Engine Overheating
    The vehicle has several indicators to warn of engine overheating. You will find an engine coolant temperature gauge on the vehicle's instrument panel cluster. See Engine Coolant Temperature Gauge . ...