This tutorial will show you how to change the key battery in your MQB Vehicle. This includes the MK7 Golf, MK2 Tiguan, and a variety of other models. A very quick an easy process, which can be required quite frequently depending on usage.

Difficulty Rating


Tools/Parts Required

  • Trim Removal Tool
  • Flathead Screwdriver
  • CR 2025 Battery

Step 1

Flip the key open, then using a plastic trim removal tool, pry upwards to pop the cover off.

Step 2

With the case open, use the small flathead screwdriver to pop the battery out.

Insert the new battery with the correct orientation.

Step 3

Replace the cover and gently clip it back into position.

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