Owner Checks and Services

At Each Fuel Stop

• Check the engine oil level. See Engine Oil on page 10‑7.

Once a Month

• Check the tire inflation pressures. See Tire Pressure on page 10‑62.
• Inspect the tires for wear. See Tire Inspection on page 10‑68.
• Check the windshield washer fluid level. See Washer Fluid on page 10‑28.

    See also:

    Trailer Gain Adjustment Procedure
    Trailer Gain should be set for a specific trailering condition and must be adjusted any time vehicle loading, trailer loading, or road surface conditions change. Setting the Trailer Gain properly is ...

    Headlamp Wiring
    An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...

    OnStar Personal Identification Number (PIN)
    A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. T ...