GMC 2010 Savana 1500 Cargo Owner's Manual page 332

Single Rear Wheels
If your vehicle has single rear wheels, always use
the correct rotation pattern shown here when
rotating the vehicle's tires. Do not include
the spare tire in the tire rotation.
6-70
Dual Rear Wheels
If the vehicle has dual rear wheels and the tread
design for the front tires is the same as the
rear tires, always use one of the correct rotation
patterns shown here when rotating the tires.