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.
Honda Civic Owners Manual. RDM On and Off
Press the RDM button to turn the system on
and off.
The indicator in the button comes on and
the message appears on the driver
information interface when the system is
on.
RDM On and Off
When you have selected Warning Only from the
customized options using th ...