Honda Civic 2017 Owner's Manual page 608

■
*
Keyless Remote
Battery
* Not available on all models
Battery type: CR2032
1. Remove the built-in key.
2. Remove the upper half by carefully prying
on the edge with a coin.
u Wrap a coin with a cloth to prevent
scratching the keyless remote.
u Remove carefully to avoid losing the
buttons.
3. Make sure to replace the battery with the
correct polarity.
uuRemote Transmitter CareuReplacing the Button Battery
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