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. HFL Menus
The ignition switch must be in ACCESSORY (q or ON (w*1 to use HFL. Phone settings screen *1: Models with the smart entry system have an ENGINE START/STOP button instead of an ignition switch. HFL Menus To use HFL, you must first pair your Bluetoothcompatible cell phon ...