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:
Base System
The Tire Pressure Monitor System (TPMS) uses wireless
technology with wheel rim-mounted electronic sensors to
monitor tire pressure levels. Sensors, mounted to each
wheel as part of the valve st ...
Tread Wear Indicators
Tread wear indicators are in the original equipment tires
to help you in determining when your tires should be
replaced.
1 — Worn Tire
2 — New Tire
These indicators are molded into the b ...
Call Termination
To end a call in progress, momentarily press the
button. Only the active call(s) will
be terminated and if there is a call on hold, it will become the new active call.
If the active call is termi ...