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Simplified Maintenance I and II with gasoline engines and with GM Oil Life System (OLS) Required Services for most vehicles are described by the terms Maintenance I and Maintenance II. Use Maintenance I if your oil life is 20% or 6000 miles or when Maintenance II was the last service performed. The first service should be Maintenance I, the second should be Maintenance II. Alternate between the two schedules thereafter. Depending upon your driving habits, Maintenance II may be required more often. Refer to your Owner's Manual for specific maintenance requirements. Notice: It is important to check your engine oil regularly and keep it at the proper level. Failure to maintain proper oil level can result in expensive engine repairs not covered by the vehicle warranty. It is also important to regularly check your tires for wear and proper inflation. Failure to maintain properly inflated tires can result in premature tire wear, vehicle damage, or personal injury.
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Maintenance Schedule I | | - Change engine oil and filter. Reset oil life system.
- Visually check for any leaks or damage.
- Inspect engine air cleaner filter; replace if necessary.
- Rotate and inspect tires. Check inflation pressures and wear.
- Inspect brake system, including brake lines, hoses, calipers, pads, wheel cylinders, rotors, and drums.
- Check engine coolant and windshield washer fluid.
- Trucks: Lubricate front suspension, ball joints, steering linkage, and parking brake cable.
- Trucks with Allison transmission only: Inspect external control-main filter, replace if necessary.
Additional recommended services and costs, resulting from inspections performed, will be brought to your attention | | Maintenance Schedule II - Change engine oil and filter. Reset oil life system.
- Visually check for any leaks or damage.
- Inspect engine air cleaner filter; replace if necessary.
- Rotate and inspect tires. Check inflation pressures and wear.
- Inspect brake system, including brake lines, hoses, pads, calipers, wheel cylinders, rotors, and drums.
- Check engine coolant and windshield washer fluid.
- Lubricate suspension, steering linkage, and transaxle shift linkage.
- Inspect drive axle boots for damage, tears, or leakage.
- Inspect wiper blades for wear or cracking.
- Inspect safety belts, buckles, latch plates, retractors, anchorages, and safety belt reminder light for damage or loose parts.
- Lubricate key lock cylinders and hood, door, and trunk hinges and latches.
- Inspect throttle linkage.
- Inspect steering system and suspension for damage, loose, or missing parts.
- Inspect power steering lines and hoses for leaks or damage.
- Inspect passenger compartment air filter; replace if necessary.
- Inspect brake-transaxle shift interlock for leaks or damage.
- Inspect starter safety switch and steering column lock for correct operation.
- Inspect fuel system for damage or leaks.
- Inspect exhaust system for loose or damaged components.
- Trucks: Check transmission fluid level.
- Trucks without a filter restriction indicator: Inspect engine air cleaner filter.
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Additional recommended services and costs, resulting from inspections performed, will be brought to you attention |
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