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:

    Steering Wheel Controls
    Some audio controls can be adjusted at the steering wheel. (Push to Talk): For vehicles with a Bluetooth, OnStar, or navigation system, press to interact with those systems. See Bluetooth (Inf ...

    Emissions Inspection and Maintenance Programs
    Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Conn ...

    Owner Checks and Services
    These owner checks and services should be performed at the intervals specified to help ensure the safety, dependability, and emission control performance of your vehicle. Your GM Goodwrench® deal ...