Chrysler Town & Country 2014 Owner's Manual page 672

670 IF YOU NEED CONSUMER ASSISTANCE
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES . . . . . . . . . . . . . . . . .677
▫ Treadwear. . . . . . . . . . . . . . . . . . . . . . . . . . .677
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . . .677
▫ Temperature Grades. . . . . . . . . . . . . . . . . . . .678