GMC 2008 Yukon Denali Owner's Manual page 457

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 5-17. See footnote (k).
Rotate tires and check inflation pressures and wear. See Tire Inspection and
Rotation on page 5-67 and "Tire Wear Inspection" in At Least Once a Month
on page 6-9.
Inspect brake system. See footnote (a).
Check engine coolant and windshield washer fluid levels and add fluid as
needed.
Perform any needed additional services. See Additional Required Services
on page 6-6.
Inspect suspension and steering components. See footnote (b).
Inspect engine cooling system. See footnote (c).
Inspect wiper blades. See footnote (d).
Inspect restraint system components. See footnote (e).
Lubricate body components. See footnote (f).
Check transfer case fluid level and add fluid as needed.
Scheduled Maintenance
Service Maintenance I Maintenance II
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6-5