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). ...

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Honda Civic Owners Manual. Battery
Checking the Battery Check the battery terminals for corrosion monthly. If your vehicle's battery is disconnected or goes dead:  The audio system is disabled. The clock* resets.  The navigation system* is disabled. Canadian models only The immobilizer system needs to be ...