Dodge Challenger SRT Hellcat 2015 Owner's Manual page 544

542 IF YOU NEED CONSUMER ASSISTANCE
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES . . . . . . . . . . . . . . . . .549
▫ Treadwear. . . . . . . . . . . . . . . . . . . . . . . . . . .549
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . . .549
▫ Temperature Grades. . . . . . . . . . . . . . . . . . . .550
I n f o r ma t i o n P r o v i d e d b y :