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.

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    Weatherstrips
    Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants. ...

    Object Detection System Messages
    PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist ...

    Selecting the Right Engine Oil
    Selecting the right engine oil depends on both the proper oil specification and viscosity grade. See Recommended Fluids and Lubricants. Specification Use and ask for licensed engine oils wi ...