Your vehicle is equipped with three types of airbags:
Each is discussed in the following pages.
Types of Airbags
The airbags can inflate whenever the ignition switch is in ON .
After an airbag inflates in a crash, you may see a small amount of smoke. This is from the combustion process of the inflator material and is not harmful.
People with respiratory problems may experience some temporary discomfort. If this occurs, get out of the vehicle as soon as it is safe to do so.
Honda Civic Service Manual. TPMS Control Unit Removal and Installation ('12-'13)
4211B5
1.
Driver's Dashboard Lower Cover
1.
Remove the driver's dashboard lower cover (A).
2.
TPMS Control Unit
...