GMC 2010 T-Series Owner's Manual page 239

Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Maintenance Requirements . . . . . . . . . . . . . . . . . . . . . 6-2
Your Vehicle and the Environment . . . . . . . . . . . . . . 6-2
How This Section is Organized . . . . . . . . . . . . . . . . . 6-3
Part A: Scheduled Maintenance Services . . . . . . . 6-4
Using the Maintenance Schedule . . . . . . . . . . . . . . . 6-4
Scheduled Maintenance Supplements . . . . . . . . . . 6-5
Section 6 Maintenance Schedule
Scheduled Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Part B: Owner Checks and Services . . . . . . . . . . . 6-23
At Each Fuel Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
At Least Twice a Year . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
At Least Once a Year . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27
Part C: Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28
Part D: Maintenance Record . . . . . . . . . . . . . . . . . . . 6-30
6-1