Ram Trucks 2015 Cargo Van Commercial - Owner Manual - Manual (Page 640)

Ⅵ DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES . . . . . . . .645
▫ Treadwear. . . . . . . . . . . . . . . . . . . . . . . . . . .645
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . . .645
▫ Temperature Grades. . . . . . . . . . . . . . . . . . . .646
638 IF YOU NEED CONSUMER ASSISTANCE