Door Control Transmitter (W/ Smart Key System) Removal

Remove the mechanical key.

Insert a screwdriver into the gap, and turn the screwdriver to detach the cover.

HINT:

Tape the screwdriver tip before use.

Insert a screwdriver into the gap and gently remove the battery (lithium battery).

NOTICE:

1. Do not push the terminals with your finger.
   
2. Do not forcibly pry up the battery (lithium battery) because doing so will deform the terminals.
   
3. Do not touch the battery with wet hands. Water may result in corrosion.
   
4. Do not touch or move any components inside the transmitter because handling the components may interfere with proper operation of the transmitter.
   
5. To prevent the transmitter from being damaged, be sure to touch a grounded metal surface with your bare hands to discharge any static electricity before replacing the transmitter battery.