See also:

Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 ...

Radio Data System (RDS)
The radio may have the Radio Data System (RDS) feature. RDS is available for use only on FM stations that broadcast RDS information. This system relies upon receiving specific information from t ...