General Information

Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect ...

Owner Checks and Services

At Each Fuel Stop ► Check the engine oil level. See Engine Oil . Once a Month ► Check the tire inflation pressures. See Tire Pressure . ► Inspect the tires for wear. See Tire I ...

See also:

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the veh ...

Additional Program Information
All program options, such as shuttle service, may not be available at every dealer. Please contact your dealer for specific information about availability. All Courtesy Transportation arrangements w ...

Sand
This program should be used for terrain which is predominantly soft dry sand or deep gravel. Note: If the vehicle is unable to gain traction in extremely soft, dry sand, switching DSC off may h ...