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.
    See also:

    Trailer Towing
    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 your vehicle& ...

    Under the Hood
    A 185-horsepower, 3.4-liter V-6 engine generates 210 pounds-feet of torque and teams with a four-speed-automatic transmission. Versatrak on-demand AWD is standard on the upscale CXL model and opti ...

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-521-7300, or write: Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...