Chevrolet 2010 Express Owner's Manual page 392

When the Change Engine Oil Soon message displays,
certain services, checks, and inspections are required.
The services described for Maintenance I should be
performed at every engine oil change. The services
described for Maintenance II should be performed when:
•
Maintenance I was performed the last time the
engine oil was changed.
•
It has been 10 months or more since the Change
Engine Oil Soon message has displayed or since the
last service.
Maintenance I
•
Change engine oil and filter. See Engine Oil on
page 6-15. An Emission Control Service.
•
Engine coolant level check. See Engine Coolant on
page 6-29.
•
Windshield washer fluid level check. See Windshield
Washer Fluid on page 6-39.
7-4
•
Tire inflation check. See Inflation - Tire Pressure on
page 6-68.
•
Tire wear inspection. See Tire Inspection and
Rotation on page 6-75.
•
Rotate tires. See Tire Inspection and Rotation on
page 6-75.
•
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 on page 6-20.
•
Brake system inspection (or every 12 months,
whichever occurs first).