Under the Hood

A 4.6-liter Northstar V-8 with variable valve timing produces 320 horsepower at 6,400 rpm and 310 pounds-feet of torque at 4,400 rpm. Premium fuel is recommended. The five-speed-automatic transmission incorporates Driver Shift Control.

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    Diagnostics
    OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...

    Vehicle Information Menu Items
    (Vehicle Information): Press to scroll through the following menu items: Oil Life Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate of the o ...

    Courtesy Lamps
    The courtesy lamps come on automatically when any door is opened and the dome lamp is in the door position. ...