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 Service Manual. Rocker Arm Oil Pressure Switch Removal and Installation (K24Z7)
1101L0
Removal
1.
Wiper Arm Assembly
NOTE: Set the wiper arms to the auto-stop position before removal.
1.
Remove the cowl top wiper covers (A).
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