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. ACC with LSF Conditions and Limitations
The system may automatically shut off and the ACC indicator will come on under certain conditions. Some examples of these conditions are listed below. Other conditions may reduce some of the ACC functions. Environmental conditions  Driving in bad weather (rain, fog, snow, etc.). Roa ...