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Did you know?

• Driving with just one misfiring spark plug = the loss of two or three miles per gallon
• Driving with under-inflated tires and incorrect wheel alignment are conditions which increase rolling resistance = the loss of a mile or two per gallon
• Driving with faulty cooling system thermostat causing engine to run too cold = the loss of a mile or two per gallon
• Driving with the parking brake not fully released = the loss of a mile or two per gallon
• Driving with dirty engine oil = the loss of a mile per gallon
• Driving with a slipping automatic transmission = the loss of a mile per gallon

Maintenance I Service Schedule
Perform when Change Engine Oil light comes on or every 6 months 5,000 miles. Perform when the last service was a Maintenance II.

During Maintenance I Schedule, the following services are performed:

• Change the engine oil and filter
• Reset oil life system
• Perform GM Multi-Point Vehicle Inspection
• Inspect engine air 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

Maintenance II Service Schedule
Perform when the last service was a Maintenance I

Maintenance II includes everything in Maintenance I plus the following

• 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

This information is for most vehicles; however, drivers should consult their Owner’s Manual more detailed information.