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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    Replacing Brake System Parts
    The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. The vehicle was designed and tested with ...

    Vehicle Settings
    See Vehicle Personalization for more information. ...

    Pulling a Trailer
    Here are some important points: • There are many laws, including speed limit restrictions that apply to trailering. Check for legal requirements. • Do not tow a trailer at all during the ...