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:

    Checking Engine Oil
    It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See En ...

    Using the Re-dial Command
    1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. After the tone, say “Re-dial”. The system responds with “Re-dial using <phone name> ...

    ENGINE OIL HOT, IDLE ENGINE
    This message displays when the engine oil temperature is too hot. Stop and allow the vehicle to idle until it cools down. ...