Battery replacement in the key is carried out with the cave open.

To replace the battery, we need a small screwdriver and CR2025 3V batterie.

Starting with the deviation with a screwdriver for the outer cover of the transmitter (3 in the figure). Under the cover there is a battery (1), which is gently leveraged. The new battery should be mounted paying attention to its polarity.

Close the external cover. The transmitter should work immediately without programming.

Performance evaluation:

• Difficulty: very easy
• Time: 2 minutes
• Cost: small