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:

    Operating UHP Using Voice Control
    The voice control of the UHP system enables you to operate several functions of the mobile phone using your voice. The UHP system uses voice commands to control the system and dial phone numbers. Af ...

    Ashtrays
    For vehicles with an ashtray, it is located in the center console near the cupholders. Press on the access door to open it and use the ashtray. Notice: If papers, pins, or other flammable items are ...

    Power Steering Fluid
    See Engine Compartment Overview for the location of the power steering fluid reservoir. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless ...