Cellular and GPS Antennas

Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.

Cellular reception is required for OnStar to send remote signals to the vehicle.

    See also:

    Managing the Vehicle Damage Repair Process
    In the event that the vehicle requires damage repairs, GM recommends that you take an active role in its repair. If you have a pre-determined repair facility of choice, take the vehicle ther ...

    Ride & Handling
    I hate to keep referencing other vehicles in a review of the Escalade, but the Cadillac retains all the same favorable handling traits of the Yukon and Tahoe. None of these models feel bloated, an ...

    Wagon
    To lower one or both of the rear seatbacks: 1. Pull on the lever, on the top outboard side of the seatback, to unlock the seatback. 2. Fold the seatback down. To return a seatback to the up ...