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. About Your Audio System
The audio system features AM/FM radio and SiriusXM’ Radio service*. It can
also
play USB flash drives, and iPod, iPhone and Bluetooth’ devices.
You can operate the audio system from the buttons and switches on the panel, the
remote controls on the steering wheel, or the icons on the touch ...