Each remote transmitter is powered by a three-volt battery, type CR 2025. If the range of the transmitter is noticeably reduced, this indicates that the battery is weak and should be replaced.
Replacing the battery
1. Open the remote control by twisting a coin in the ring between the front and rear sections (leave the ring in place).
2. Replace the battery, with the plus-side upward (see illustration).
3. Reinstall the cover, making sure it is secured tightly.
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