Honda Civic Service Manual: Battery System

Electrical

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Battery Removal and Installation

Removal 1. Battery Terminal - Disconnection 1. Make sure the ignition switch is in LOCK (0). ...

See also:

Honda Civic Service Manual. Keyless Buzzer Removal and Installation (With Keyless Access System)
1. Rear Bumper 1. Remove the screws (A), the bolts (B), and the clips (C, D) securing the rear bumper (E). 2. ...