Honda CR-V: Checking and Maintaining Tires / 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.

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) standards...
The life of your tires is dependent on many factors, including driving habits,
road
conditions, vehicle loading, inflation pressure, maintenance history, speed, and
environmental conditions (even when the tires are not in use)...
Other information:
The system becomes ready to start searching for lane markings when all the
following conditions are met:
The vehicle is traveling between about 45 and 90 mph (72 and 145 km/h).
The vehicle is on a straight or slightly curved road.
The turn signals are off...
When the passenger airbag off indicator comes on
The indicator comes on to alert you that the
passenger's front airbag has been turned off.
This occurs when the weight sensors detect
about 65 lbs (29 kg) or less, the weight of an
infant or small child, on the seat...