Share Lingdu’s electronic key replacement tutorial
DeanAnne 
6 After driving for a long time, many wearing parts on the car can be replaced by yourself. Of course, car key electronics is no exception. When used for a period of time, the car dashboard will remind you that you need to replace the electronics. If you learn to replace the electronics yourself, you can not only save costs but also save a lot of time, and you can do it yourself.
If you go to the store to replace it, it will cost a lot of money and take time. Then let us learn with me.
Mine is a popular universal CR2025 purchased through a certain treasure. The merchant will deliver a dual-purpose small wrench with a word at one end and a plum blossom at the other, which is convenient for our physical operation. Of course, if we don’t have this tool at home, we can also prepare a small screwdriver ourselves.
The tools are all here, including car keys, electronics that need to be replaced, tools, and of course, the most critical one-dollar coin. Let’s do some physical operations together.
First eject the key.
Use the one-dollar coin prepared in advance and insert it in like the picture below, pointing it at the back of the key, and tilting it slightly.
Just like this, remove the back cover.
When you open the cover plate, you can clearly see that the electrons are exposed. Insert a small wrench into the electronic notch and tilt it up, and the electrons will pop out.
This is what the electrons look like when they are taken off.
Just press in the electrons prepared in advance, and remember not to install the positive and negative electrodes upside down. Press down on the battery and push it inside to fix it.
Then follow the disassembly steps step by step and put it back to its original appearance.
Then test yourself whether you can open the door normally and use it normally.
The entire operation process can be replaced by yourself. Usually, when encountering such a situation, you can replace the battery yourself. It is very practical for novices, but of course, professionals also need to remind us of more professional experience for us novices to learn.
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