Ram Trucks 2012 С/V - Owner Manual - Manual (Page 612)

Ⅵ Department Of Transportation Uniform Tire
Quality Grades . . . . . . . . . . . . . . . . . . . . . . . . 617
▫ Treadwear . . . . . . . . . . . . . . . . . . . . . . . . . 617
▫ Traction Grades . . . . . . . . . . . . . . . . . . . . . 617
▫ Temperature Grades . . . . . . . . . . . . . . . . . . 618
610 IF YOU NEED CONSUMER ASSISTANCE