Maintenance I

• Change engine oil and filter. See Engine Oil. An Emission Control Service.

• Engine coolant level check. See Engine Coolant (4.6L Engine) or Engine Coolant (3.9L Engine).

• Windshield washer fluid level check. See Windshield Washer Fluid.

• Tire inflation check. See Inflation - Tire Pressure.

• Tire wear inspection. See Tire Inspection and Rotation.

• Rotate tires. See Tire Inspection and Rotation.

• Fluids visual leak check (or every 12 months, whichever occurs first). A leak in any system must be repaired and the fluid level checked.

• Engine air cleaner filter inspection (vehicles driven in dusty conditions only). See Engine Air Cleaner/Filter.

• Brake system inspection (or every 12 months, whichever occurs first).

    See also:

    Replacing Brake System Parts
    The braking system on a vehicle is complex. Its many parts have to be of top quality and work well together if the vehicle is to have really good braking. The vehicle was designed and tested ...

    Distracted Driving
    Distraction comes in many forms and can take your focus from the task of driving. Exercise good judgment and do not let other activities divert your attention away from the road. Many local govern ...

    Potential Issues
    Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...