BYD L3 AUTO Owner's Manual page 22

3. Remove the depleted electronic
intelligent key with a flat screwdriver
or similar tools. Insert the tool into
guide groove and apply force in the
direction as shown in the figure above
to remove the battery.
NOTICE
Do not amend the battery cover to
avoid fault.
1-14 Keys and car door
BYD L3 AUTO Owner's Manual
4. Put the battery with positive
terminal (+) on the top into the battery
box, then firmly install the key cover
and insert the mechanical key into the
electronic intelligent key.
NOTICE
 Make sure the poles of battery
are installed properly.
 Do not operate battery with
wet hands, which may cause
rusting.

Do not touch or move any
component or part inside the
electronic key, other
normal function
affected.
 Pay attention to not bending
the terminals when inserting
the battery. The battery box
shall be free of dust or oil
taint.

Reinstall the key cover firmly.
After battery replacement,
whether the electronic intelligent key
can work normally. If it still cannot
work, please contact BYD service
station.
Specification of
Intelligent Key
Frequency range: 314.9-315.1 MHz
Emission power: ≤5500 μV/m
Spurious emission threshold:
≤610μV/m
Bandwidth: ≤300 kHz
its
may be
check
Electronic