How to Replace the Battery in a New Audi A6 Key?

[StellaMarie]

Audi A6L remote key battery replacement: First, press the lock button and pull out the mechanical key. Locate the battery holder's clip position, press the plastic clip, and pull out the battery holder. Note that the battery is installed in reverse, with the "+" positive side facing downward. After installing the new battery, reassemble in the reverse order of the steps. Here is some relevant information: 1. A remote key allows you to unlock and lock the door from a distance without inserting the key into the lock. Its greatest advantage is that, regardless of day or night, you can conveniently unlock and lock the car from a distance without needing to locate the lock. 2. The key emits a weak radio wave, which is received by the car's antenna. The electronic control unit (ECU) identifies the signal code, and the system's actuator (motor or electromagnetic coil) performs the lock/unlock action. The system mainly consists of a transmitter and a receiver. 3. Over time, the car key remote may become less responsive or even stop working, which could indicate that the battery is depleted. Replacing the battery should resolve the issue.