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List of contents of this article:

• 1,How to change the key shell with Haojue 150 with key
• 2 、How to disassemble the Volkswagen key and replace the battery
• 3, Why can't I light up after replacing a new car key shell?

How to change the key shell of Haojue 150 with key

1. After releasing the key piece, insert a smaller screwdriver into the side groove near the key piece, and carefully forcefully point the screwdriver to the key. Push the direction of the piece (arrow direction).The key piece is separated from the chip box. Insert the I-shaped screwdriver into the groove on the side of the chip shell and rotate it to separate the case latch there.

2. The key piece is separated from the chip box. Insert the I-shaped screwdriver into the groove on the side of the chip shell and rotate it to separate the case latch there. Then insert the I-shaped screwdriver into the groove at the top of the chip shell and rotate it to separate the case latch there.

3. Replace the car key shell to the store equipped with car keys, auto parts city or 4S store. If you have strong hands-on ability, you can buy a key shell online and replace it by yourself. If you really don't know how to replace it, don't replace it yourself. It's better to find a professional car key company to do it, so as not to accidentally break the chip.

4. Open the key and look at the direction of the arrow in the picture. This one has a hidden latch.

How to disassemble the Volkswagen key and replace the battery

First, move the latch at the bottom of the car key to the right and take out the mechanical key. Then insert the screwdriver into the left hole and rotate the screwdriver clockwise. When you hear "Gada", take out the screwdriver and break the back shell of the car key. After removing the back shell, use a pin to pry the recess shown in the figure below.

First of all, find the locking button on the front of the Volkswagen Touareg car key. After pressing this button, the mechanical key can be ejected. Then, after the mechanical key ejects, open the back cover of the key along the side of the key, and you can see the battery of the car key.

Pry out the battery, replace it with a new one, and then assemble the car key back. NowMost of the cars are remote-controlled batteries, so if the remote-controlled battery runs out of power, it will cause a lot of trouble for the owner when he needs to use the vehicle. Therefore, it is better to replace the battery of the car key in advance, and do not wait until it runs out of power.

The way to open the Volkswagen key and change the battery is as follows: take out the mechanical key, unscrew the buckle, put the flat-mouth screwdriver into the mechanical keyhole, rotate and unscrew the key buckle, and open the car key cover. Push forward, open the key cover, push the key cover forward, and remove the lid.

The disassembly method of replacing the battery of Volkswagen key is as follows: press the origin button on the car key to pop up the metal mechanical key. After ejecting the mechanical key, you can see the hidden part blocked by the metal key, and lift the car key cover along the gap. After opening the car key cover, you can see the battery inside.

Open the folding part of the key and slowly pry into the middle of the gap with a word change cone. When a large gap is opened, pull the key ring below with your hand and pull it out hard, and the key will be divided into upper and lower parts. Forcefully open the side, and this part of the key is divided into front and rear pieces, revealing the battery part and the circuit board part.

Why can't I light up after replacing a new car key shell?

Car key damage: It may be due to damage to the car key in the shell, so the car key inserted into the car cannot be recognized, so it cannot be ignited.

This situation may be due to the damage of the car key during the replacement of the shell, resulting in the car key. It can't be recognized when plugged into the car, so it can't be ignited. The steering wheel of the car is locked. The steering wheel can't turn, and the key can't be twisted. The simple anti-theft function of the vehicle itself is just at the intersection of the key unlocking and the torsion of the lock post.

The key chip and the body computer have lost communication. In this case, you usually remove the electronics when you change the key case. Remove the missing key signal, and you can match it again. You can find a matching method for your car model on the Internet.Thank you for adopting it.

No oil. The reasons for the failure are: the oil pump relay is not working alfunctioning. The oil pump is not working wel. Out of oil. Fault detection: Oil pump relay detection: Turn on the key switch and don't hit the motor. You will hear a clicking sound, indicating that the relay is working normally! If there is a continuous clicking sound, check whether the iron wire is loose.

Because there is a new piece in the shell of the Haval H5 key, there is no new piece after changing the shell, so it can't be ignited.