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:

    Automatic Door Unlock
    The doors will automatically unlock when the shift lever is moved into P (Park). See Vehicle Personalization . ...

    Controls
    The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...

    Retrieve My Number
    1. Push . System responds: “OnStar ready.”. 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...