Department Of Transportation Uniform Tire Quality Grades
the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Engine Oil Selection
For best performance and maximum protection for all
engines under all types of operating conditions, the
manufacturer recommends engine oils that are API Certified
and meet the requirements of C ...
Tire Markings
1 — U.S. DOT Safety Standards Code
(TIN)
2 — Size Designation
3 — Service Description
4 — Maximum Load 5 — Maximum Pressure
6 — Treadwear, Traction and Temperature Grades
NOTE:
†...
Shifting Procedure
2H to 4H or 4H to 2H
Shifting between 2H and 4H can be made with the vehicle stopped or in motion.
With the vehicle in motion, the transfer case will engage/disengage faster if you
momentarily re ...