See also:

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 tire ...

If the Low Tire Pressure/TPMS Indicator Comes On or Blinks
U.S. models Reasons for the indicator to come on or blink A tire pressure is significantly low. If there is a problem with the TPMS or the compact spare tire is installed, the indicator blinks fo ...

Winter Tires
If driving on snowy or frozen roads, mount all season marked M+S tires, snow tires, or tire chains; reduce speed; and maintain sufficient distance between vehicles when driving. Be particularly ...