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 on Grades
    Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well. Vehicles can tow in D ...

    Instrument Panel (Premium Version)
    Instrument Panel (Premium Version) A. Air Vents on page 8‑11. B. Turn and Lane-Change Lever. See Turn and Lane-Change Signals on page 6‑6. Windshield Wiper/Washer on page 5‑5 ...

    Emissions Inspection and Maintenance Programs
    Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Conn ...