Reactivation for Subsequent Owners

Push to an Advisor as soon as possible after acquiring the vehicle. The Advisor will 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:

    Denali details
    The iconic Yukon Denali delves deeper into the luxury SUV realm with enhanced features and craftsmanship that distinguish it from other models. It is a comprehensive package of performance, amenit ...

    Changing the RSE Video Screen Settings
    The screen display mode (normal, full, and zoom), screen brightness, and setup menu language can be changed from the on screen setup menu. To change any feature: 1. Press the (display menu) button o ...

    Shifting Into Four-Wheel Drive Low
    When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph). Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain. To ...