Chrysler Town & Country 2011 Owner's Manual page 542

540 IF YOU NEED CONSUMER ASSISTANCE
Department Of Transportation Uniform Tire
Quality Grades . . . . . . . . . . . . . . . . . . . . . . . . 547
▫ Treadwear . . . . . . . . . . . . . . . . . . . . . . . . . 547
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . 547
▫ Temperature Grades . . . . . . . . . . . . . . . . . . 548