GMC 2001 Yukon XL Owner's Manual page 13

Service Station Guide
Cooling System
Tire Pressure
See Section 5
See Section 6
For
a More
Spare Tire Pressure
Detailed Look at
See Section 5
What's Under the Hood
See Section 6
Hood Release
See Section 6
Engine Oil Dipstick
Windshield Washer
Fuel
Battery See Section 6
Fluid
Use unleaded only.
See Section 6
See Section 6
See Section 6
Oil Viscosity
for octane ratings.
Engine Oil
See Section 6