GMC 2009 Yukon XL Owner's Manual page 521

Section 6
Maintenance Schedule ......................................6-2
Introduction ...................................................6-2
Maintenance Requirements ..............................6-2
Your Vehicle and the Environment ....................6-2
Using the Maintenance Schedule ......................6-3
Scheduled Maintenance ...................................6-4
Additional Required Services ............................6-6
Maintenance Footnotes ...................................6-7
Maintenance Schedule
Owner Checks and Services ............................6-9
At Each Fuel Fill ............................................6-9
At Least Once a Month .................................6-10
At Least Once a Year ...................................6-10
Recommended Fluids and Lubricants ...............6-13
Maintenance Replacement Parts .....................6-15
Engine Drive Belt Routing ..............................6-16
Maintenance Record .....................................6-17
6-1