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:
Engine
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Instrument Cluster
Instrument Cluster Descriptions ...
Front And Side Impact Sensors
In front and side impacts, impact sensors can aid the ORC in determining appropriate
response to impact events. ...