See also:

Overview of Tire Quality Grading Standards
The Uniform Tire Quality Grading is a U.S. Government requirement. Their purpose is to provide drivers with consistent and reliable information regarding tire performance. Tire manufacturers ...

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheatin ...

Important notes on tire pressure
WARNING Should the tire pressure drop repeatedly: check the tire for foreign bodies. check whether the wheel is losing air or the valve is leaking. make sure that only a valve cap approv ...