Connect the iPod using your USB connector to the USB port, then select the iPod mode.
USB Port(s)
*1:Some or all of the lists may not be displayed.
Honda Civic Owners Manual. CMBSTM Conditions and Limitations
The system may automatically shut off and the CMBSTM indicator will come on
under
certain conditions. Some examples of these conditions are listed below. Other
conditions may reduce some of the CMBSTM functions.
Environmental conditions
Driving in bad weather (rain, fog, snow, etc.).
...