Car friends do not know if they have encountered such a situation. When you want to use the car to drive the car door, you discover that the key cannot open the car door. Isn’t the car your own? What is it! This may be due to a lack of battery in the car, or it may be that your key is dead. So today we come to talk about the key failure, how do we open the door to start the car.

First of all, let's take a look at the types of car keys. In general, there are two kinds of keys with sensing functions. One is a conventional folding mechanical key and the other is a hidden mechanical key.

If the folding mechanical key is dead, you need to pull out the mechanical key or fold it out, and then insert the keyhole to perform the normal unlocking operation, and you can get into the car. In general, the mechanical spare key is hidden inside the master key and cannot be seen at ordinary times. When it is needed to pull it out, it can be used as a regular mechanical key to open the door.

If the hidden mechanical key is dead, its launch power is low, the vehicle is not so "sensitive", and it is impossible to open the door to start the vehicle. In this case, the induction key can be placed near the vehicle's internal sensor and the vehicle can be started. However, the position design of each model sensor is different, which requires you to look carefully at the instructions to find this location, and remember it as a surprise.

The car is open, but the key still has no electricity. What should we do? Change battery. The method is very simple and it takes only 4 steps.

The first step: to open the shell of the car key, pay attention to them is to reject violence, to be gentle to open, or break it and then it did not move;

The second step: slowly pull out the key core, but the key key is the key to open the vehicle, so be careful;

Step 3: Replace the same type of battery. Note that it is the same type of battery. Different types of batteries and not to mention whether it can be used, due to different models, the release of power, power is not the same, is bound to affect the life of the car key;

The fourth step: restore, it should be noted here is not to damage the waterproof shell.

Although the chances of encountering a key with no electricity are very small, once it is met, it will be very troublesome, especially when you are anxious to go out. I hope this article will help everyone.

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