How to replace the batteries in the key on the example of VW Golf VII

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


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