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:

    Driving with the Blind Spot Mirror
    Actual Mirror View 1. When the approaching vehicle is a long distance away, the image in the main mirror is small and near the inboard edge of the mirror. 2. As the vehicle gets closer, the imag ...

    If a Tire Goes Flat
    It is unusual for a tire to blowout while driving, especially if the tires are maintained properly. If air goes out of a tire, it is much more likely to leak out slowly. But if there ever is a blowout ...

    Checking Engine Oil
    It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the vehicle must be on level ground. The engine oil dipstick handle is a yellow loop. See En ...