Department Of Transportation Uniform Tire Quality Grades
The following tire grading categories were established by 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:
Disposal Of Used Engine Coolant
Used ethylene glycol based engine coolant (antifreeze) is a regulated substance
requiring proper disposal. Check with your local authorities to determine the disposal
rules for your community. To ...
Radio Operation And Mobile Phones
Under certain conditions, the mobile phone being on in your vehicle can cause
erratic or noisy performance from your radio. This condition may be lessened or
eliminated by relocating the mobile ph ...
Simultaneous Brake And Throttle Operation
Many off-road driving conditions require the simultaneous use of the brake and
throttle (two-footed driving).
When climbing rocks, logs, or other stepped objects, using light brake pressure
with ...