2007 Chevrolet Silverado 2500 Pickup Owner's Manual - Page 616

Maintenance I - Use Maintenance I if the CHANGE ENGINE OIL message comes on within 10 months since the vehicle was purchased or Maintenance II was performed. Maintenance II - Use Maintenance II if the previous service performed was Maintenance I. Always use Maintenance II whenever the message comes on 10 months or more since the last service or if the message has not come on at all for one year. Scheduled Maintenance Service Change engine oil and filter. See Engine Oil (Gasoline Engine) on page 482. Reset oil life system. See Engine Oil Life System (Gasoline Engine) on page 485. An Emission Control Service. Allison Transmission® only: Replace external transmission filter at the first maintenance service performed on the vehicle. Lubricate chassis components. See footnote #. Visually check for any leaks or damage. See footnote (j). Inspect engine air cleaner filter or change indicator (if equipped). If necessary, replace filter. See Engine Air Cleaner/Filter (Gasoline Engines) on page 487. See footnote (p). Rotate tires and check inflation pressures and wear. See Tire Inspection and Rotation on page 553 and "Tire Wear Inspection" in At Least Once a Month on page 623. Inspect brake system. See footnote (a Maintenance I • Maintenance II • • • 616