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 Owners Manual. Brake Light, Tail/Rear Side Marker Light, Rear Turn Signal Light and Back-Up Light Bulbs
When replacing, use the following bulbs. Brake Light: 21 W Tail/Rear Side Marker Light: LED Rear Turn Signal Light: 21 W (Amber) Back-Up Light: 16 W Use a Phillip-head screwdriver or socket to remove the bolts.  Pull the light assembly out of the rear pillar. ...