2005 GMC Savana Van Owner's Manual - Page 343

Maintenance I - Use Maintenance I if the change engine oil light 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 on page 5-13. Reset oil life system. See Engine Oil Life System on page 5-16. An Emission Control Service. 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 on page 5-18. An Emission Control Service. See footnotes † and (l). Rotate tires and check inflation pressures and wear. See Tires on page 5-52. Inspect brake system. See footnote (a). Check engine coolant and windshield washer fluid levels and add fluid as needed Maintenance I Maintenance II 6-5