Sedan and Wagon Base Model

From the inside, use the door lock knob on the top of doors.

    See also:

    That Thing Got a Supercharger?
    Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed to know it by listening to the engine. Step on the gas and the most noticeable sound is the burbling exhaust, which qu ...

    Cruise Control
    WARNING! Cruise control can be dangerous where you cannot drive safely at a steady speed. So, do not use the cruise control on winding roads or in heavy traffic. Cruise control can be danger ...

    Seat Adjustment
    WARNING You can lose control of the vehicle if you try to adjust a driver seat while the vehicle is moving. The sudden movement could startle and confuse you, or make you push a pedal when you do ...