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.

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    Exterior
    Buick designers added several exterior features to keep this ride from becoming homogenized. Sporty headlights set off its glorious chrome grille, which is embellished with a sandwich-sized Buick ...

    Alarm Warning
    Press the customization button until ALARM WARNING: BOTH appears in the display. To select your preference for alarm warning, press the select button while ALARM WARNING: BOTH is displayed on the ...

    All-Wheel Drive
    It is not necessary to check the all–wheel drive lubricant levels. ► fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to the dealer as soon as possible. ...