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:

    Turning the System On and Off
    Press this button, located next to the radio, to disable URPA. The indicator light will come on and PARK ASSIST OFF displays on the Driver Information Center (DIC). See Object Detection System Me ...

    Battery Load Management
    The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. Wh ...

    Windshield
    For safety, appearance, and the best viewing, keep the windshield clean and clear. - Signs of damage include scratches, cracks, and chips. - Trained dealer technicians can inspect the windsh ...