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:

    Object Detection System Messages
    PARK ASSIST OFF This message displays when the park assist system has been turned off or when there is a temporary condition causing the system to be disabled. See Ultrasonic Parking Assist ...

    Automatic Transmission Shift Lock
    The vehicle has an automatic transmission shift lock control system. The shift lock control system is designed to: . Prevent ignition key removal unless the shift lever is in P (Park). . Prevent m ...

    Setting the 12/24 Hour Format
    1. Press the CONFIG button and select Time Settings, or press . 2. Highlight 12/24 Hour Format. 3. Press SELECT to select the 12 hour or 24 hour display format. ...