If any electrical devices are not working, turn the ignition switch to LOCK 0*1 and check to see if any applicable fuse is blown.
Fuses
Engine Compartment Fuse BoxHonda Civic Service Manual. Keyless Access LF Antenna (Rear Interior) Removal and Installation
1.
Rear Interior LF Antenna
1.
Open the trunk lid.
2.
Remove the rear interior LF antenna (A).
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