General Information

This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement.

Your vehicle is an important investment. This section describes the required maintenance for the vehicle. Follow this schedule to help protect against major repair expenses resulting from neglect or inadequate maintenance. It may also help to maintain the value of the vehicle if it is sold. It is the responsibility of the owner to have all required maintenance performed.

Your dealer has trained technicians who can perform required maintenance using genuine replacement parts. They have up-to-date tools and equipment for fast and accurate diagnostics. Many dealers have extended evening and Saturday hours, courtesy transportation, and online scheduling to assist with service needs.

Your dealer recognizes the importance of providing competitively priced maintenance and repair services. With trained technicians, the dealer is the place for routine maintenance such as oil changes and tire rotations and additional maintenance items like tires, brakes, batteries, and wiper blades.

Notice: Damage caused by improper maintenance can lead to costly repairs and may not be covered by the vehicle warranty.

Maintenance intervals, checks, inspections, recommended fluids, and lubricants are important to keep the vehicle in good working condition.

The Tire Rotation and Required Services are the responsibility of the vehicle owner. It is recommended to have your dealer perform these services every 12 000 km/7,500 mi.

Proper vehicle maintenance helps to keep the vehicle in good working condition, improves fuel economy, and reduces vehicle emissions.

Because of the way people use vehicles, maintenance needs vary.

There may need to be more frequent checks and services.

The Additional Required Services - Normal are for vehicles that:
• Carry passengers and cargo within recommended limits on the Tire and Loading Information label. See Vehicle Load Limits on page 9‑17.
• Are driven on reasonable road surfaces within legal driving limits.
• Use the recommended fuel. See Recommended Fuel on page 9‑74.

Refer to the information in the Maintenance Schedule Additional Required Services - Normal chart.
The Additional Required Services - Severe are for vehicles that are:
• Mainly driven in hilly or mountainous terrain.
• Frequently towing a trailer.
• Used for high speed or competitive driving.
• Used for taxi, police, or delivery service.

Refer to the information in the Maintenance Schedule Additional Required Services - Severe chart.

WARNING
Performing maintenance work can be dangerous and can cause serious injury. Perform maintenance work only if the required information, proper tools, and equipment are available.

If they are not, see your dealer to have a trained technician do the work. See Doing Your Own Service Work on page 10‑4.

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