Sedan and Wagon Base Model

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

    See also:

    Brakes
    Brakes stop the vehicle and are crucial to safe driving. - Signs of brake wear may include chirping, grinding, or squealing noises, or difficulty stopping. - Trained dealer technicians have ...

    Protecting Exterior Bright Metal Parts
    Regularly clean bright metal parts with water or chrome polish on chrome or stainless steel trim, if necessary. For aluminum, never use auto or chrome polish, steam, or caustic soap to clean. A c ...

    Add-on Electrical Equipment
    The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...