Wear Indicators
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.
See also:
If the Low Tire Pressure Indicator Comes On
Reasons for the indicator to come on
A tire pressure is significantly low. If the compact spare tire is installed,
the indicator stays on for a while, then goes off after driving a few miles (kilo ...
Emissions Testing
Testing of Readiness Codes
Your vehicle uses “readiness codes,” as part of its onboard self diagnostic system.
Some states refer to these codes during testing to see if your vehicle's emissi ...
If a Tire Goes Flat
Changing a Flat Tire
If a tire goes flat while driving, grasp the steering wheel firmly, and brake
gradually to reduce speed. Then, stop in a safe place. Replace the flat tire with
a compact spare ...