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The GM Oil Life Monitor System and
Maintenance I and Maintenance II
Maintenance I and II Schedules
1. Maintenance I Service Package
• Perform when Change Engine Oil light comes on or within
10 months since vehicle was purchased
• Perform when Maintenance II was last schedule used
During Maintenance I the following services are performed:
• Change the engine oil and filter
• Reset oil life system
• Inspect engine air cleaner filter – replace as needed
• Rotate tires and check inflation pressures and wear
• Inspect brake system
• Check engine coolant and windshield washer fluid levels –
add fluid as needed
• Perform any needed additional services (see owners manual)
2. Maintenance II Service Package
• Perform when Maintenance I was last schedule used
• Change the engine oil and filter
• Reset oil life system
• Inspect engine air cleaner filter – replace as needed
• Rotate tires and check inflation pressures and wear
• Inspect brake system
• Check engine coolant and windshield washer fluid levels –
add fluid as needed
• Inspect suspension and steering components
• Inspect the engine cooling system
• Inspect the wiper blades
• Inspect restraint system components
• Lubricate body components
• Inspect the throttle system
• Perform any needed additional services (see owners manual)
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