Service and Maintenance

See also:

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...

Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, and steel fuel door hinge unless the components are plastic. Applying silicone grease on weatherstrips with a clean cloth will make ...

Meet the Wedge
The CTS sedan's exterior is angular, but the new CTS coupe takes the design theme to a new level. There are creases everywhere, and while most meet and intersect to create a unique-looking coupe t ...