See also:

Tire pressure monitoring system (TPMS)
(If installed) Low Tire Pressure Telltale. TPMS Malfunction Indicator. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure ...

When to Replace Tires
The original tires on your car have tread wear indicators. The location of tread wear indicators is shown by the "TWI" or "" marks, etc., The tread wear indicators appear whe ...

Reporting Safety Defects
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) in ...