Honda Civic Service Manual: Antenna

Accessories

...

AM/FM Antenna Amplifier Removal and Installation (2-door)

0151C1 Removal NOTE: SRS components are located in this area. Review the SRS component locations and the precautions and procedures before doing repairs or service. ...

See also:

Honda Civic Owners Manual. Floor Mats
The driver's floor mat hooks over the floor anchors, which keep the mat from sliding forward. To remove a mat for cleaning, turn the anchor knobs to the unlock position. When reinstalling the mat after cleaning, turn the knobs to the lock position. Do not put additional floor mats on top ...