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 change the OnStar PIN, call OnStar and provide the Advisor with the current number.

    See also:

    Towing with a Stability Control System
    When towing, the sound of the stability control system might be heard. The system is reacting to the vehicle movement caused by the trailer, which mainly occurs during cornering. This is normal when t ...

    Camper/Fifth-Wheel Trailer Wiring Package
    The seven-wire camper harness is located under the front edge of the pickup box on the driver side of the vehicle, attached to the frame bracket. A connector must be added to the wiring harness which ...

    INTERIOR
    While the Acadia Denali's upgraded exterior is apparent, the interior falls a little flat. It looks good, but it's not an up-to-date look. The instrument cluster was blah-looking and seemed outdat ...