
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.
Maintenance
...
DOT Tire Quality Grading (U.S. Vehicles)
The tires on your vehicle meet all U.S. Federal Safety Requirements. All
tires are
also graded for treadwear, traction, and temperature performance according
to Department of Transportation (DOT) ...
Side Curtain Airbags
The side curtain airbags help protect the heads of the driver and passengers
in outer
seating positions during a moderate-to-severe side impact.
The side curtain airbags are most effective when an ...