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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    Fuels in Foreign Countries
    Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by the vehicle warranty. To check the ...

    Hill and Mountain Roads
    Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: • Keep the vehicle serviced and in good shape ...

    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...