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:

    Bulb Replacement
    For the proper type of replacement bulbs, see Replacement Bulbs  . For any bulb-changing procedure not listed in this section, contact your dealer. ...

    Safety Locks
    Rear door safety locks prevent passengers from opening the rear doors from the inside. Press to activate the safety locks, the LED in the switch illuminates. Press to deactivate the safety ...

    Connections
    OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage m ...