BYD M6 AUTO Owner’s Manual
Keys &Doors 1-7
Replace the battery in the card key by
the following steps
1. Press the arrow side and then pull
out the mechanical key.
2. Take out the battery.
3. Insert a new battery and then the
mechanical key into the card key.
NOTICE
y Make sure the battery is installed
in correct orientation.
y Do not replace the battery with
wet hands. Water will lead to
rust in the card key.
y Prevent water from entering the
card key as it is not waterproof.
Upon completion of replacement,
check whether the card key can
function normally; if it isn't functioning
well, contact your BYD service
station.