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 Inspection.

• Check the windshield washer fluid level. See Washer Fluid.

    See also:

    Wiper Blade Replacement
    Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance  for more information. It is a good idea to clean or replace the wiper blade assembly on a regular bas ...

    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 v ...

    Steering Wheel Controls
    Steering Wheel Controls For vehicles with audio steering wheel controls, some audio controls can be adjusted at the steering wheel. Press to interact with the available Bluetooth, OnStar, or navig ...