How to Replace the Battery in an Audi Key?

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Audi key battery replacement method is as follows: 1. Before replacing the key battery, you need to know the battery model of the car key. Generally, you can check it in the vehicle user manual and choose a new key battery according to the specified model. 2. Press the switch on the metal part of the key back. While pressing the switch, pull the metal part outward to remove the hidden mechanical key. 3. After removing the mechanical key, you can see the internal structure of the original metal part. There are two clips on both the front and back sides. Press them simultaneously and pull outward. 4. After taking it out, you can replace the new battery. Be careful not to reverse the positive and negative poles of the battery. The installation steps are the reverse of the disassembly sequence.