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. Locking/Unlocking the Doors Using a Key
If the keyless remote battery or the vehicle battery is dead, use the key instead of the keyless remote. Fully insert the key and turn it. Locking/Unlocking the Doors Using a Key When you lock the driver’s door with a key, all the other doors lock at the same time. When unlocking, the ...