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.
Honda Civic Owners Manual. Side Curtain Airbags
The side curtain airbags help protect the heads of the driver and passengers
in the
outer seating positions during a moderate-to-severe side impact. The side
curtain
airbags equipped in this vehicle are also designed to help reduce the likelihood
of
partial and complete ejection of vehicle ...