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:

    Place a Call Using a Stored Number
    1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.”. System responds: “OK, calling <name tag>.” ...

    Blank Display
    This display shows no information. ...

    When the System Does Not Seem to Work Properly
    Occasional missed alerts can occur under normal circumstances and will increase in wet conditions. The system does not need to be serviced due to an occasional missed alert. The number of mis ...