See also:

Trailer Towing (Except CTS-V and Coupe)
Before pulling a trailer, there are three important considerations that have to do with weight: - The weight of the trailer. - The weight of the trailer tongue. - The total weight on the vehicl ...

Windshield and Wiper Blades
Clean the outside of the windshield with glass cleaner. Clean rubber blades using a lint-free cloth or paper towel soaked with windshield washer fluid or a mild detergent. Wash the windshield ...

Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi. Have underbody flushing service performed once a year. ...