Honda Civic 2017 Owner's Manual page 584

Front Turn Signal Light Bulbs
Models with halogen headlights
When replacing, use the following bulbs.
Front Turn Signal Light: 21 W (Amber)
Socket Bulb
1. Turn the socket anticlockwise and remove
it.
2. Remove the old bulb and insert a new bulb.
uuReplacing Light BulbsuFront Turn Signal Light Bulbs
1Front Turn Signal Light Bulbs
Models with LED headlights
Front turn signal lights are LED type. Have an
authorised Honda dealer inspect and replace the light
assembly.
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