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:

    Special Application Services
    . Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. - Have underbody flushing service performed once a year. ...

    Compass
    The vehicle may have a compass in the Driver Information Center (DIC). ...

    Infotainment
    Read the following pages to become familiar with the audio system's features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in injury or death to you ...