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:

    Connections
    OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for co ...

    Weight of the Trailer
    How heavy can a trailer safely be? It should never weigh more than 454 kg (1,000 lbs). But even that can be too heavy. It depends on how the rig is used. For example, speed, altitude, road grades, ...

    Off-Road Recovery
    The vehicle's right wheels can drop off the edge of a road onto the shoulder while driving. Follow these tips: 1. Ease off the accelerator and then, if there is nothing in the way, steer the ...