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:

    Grade Braking
    The Grade Braking shift modes can be activated by pressing the button on the end of the shift control lever. While in Range Selection Mode, Grade Braking is deactivated allowing the driver to sele ...

    Windows
    WARNING Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death fro ...

    Tips and Troubleshooting
    IR Sensor Inoperative: Check that the batteries are good in the remote control. Check that the remote Control IR Sensor is not blocked. Aim the remote control toward the IR Sensor being controlled ...