Honda Civic Owners Manual: TPMS and the Compact Spare Tire
U.S. models
If you replace a flat tire with the spare tire, the low tire pressure/TPMS indicator comes on while you are driving. After driving for a few miles (kilometers), the indicator will start blinking for a short time and then stay on. Tire Pressures Low appears on the driver information interface*, but this is normal.
Calibrate the TPMS when you replace the tire with a specified regular tire.
The system cannot monitor the pressure of the spare tire. Manually check the spare tire pressure to be sure that it is correct.
Storing the Flat Tire
Models with aluminum wheels
Remove the center cap.
All models
Place the flat tire face down in the spare tire
well.
Remove the spacer cone from the wing
bolt, flip it ov ...
See also:
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.).
...