Ram Trucks 2014 Chassis Cab Commercial - Owner Manual - Manual (Page 510)

Ⅵ PUBLICATION ORDER FORMS . . . . . . . . . . . .514
Ⅵ DEPARTMENT OF TRANSPORTATION
UNIFORM TIRE QUALITY GRADES . . . . . . . .515
▫ Treadwear. . . . . . . . . . . . . . . . . . . . . . . . . . .515
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . . .515
▫ Temperature Grades. . . . . . . . . . . . . . . . . . . .516
508 IF YOU NEED CONSUMER ASSISTANCE