
The groove where the wear indicator is located is 1/16 inch (1.6 mm) shallower than elsewhere on the tire. If the tread has worn so that the indicator is exposed, replace the tire.
Worn out tires have poor traction on wet roads.
Temperature
Tire Service LifeHonda Civic Owners Manual. Tire Pressure Monitoring System (TPMS)
U.S. models
Instead of directly measuring the pressure in each tire, the TPMS on this
vehicle
monitors and compares the rolling radius and rotational characteristics of each
wheel and tire while you are driving to determine if one or more tires are
significantly under-inflated. This will cause ...