What should I do if the key shell button is broken?

If you have strong hands-on ability, you can buy a key shell online and replace the car key shell yourself: After releasing the key blade, insert a smaller screwdriver into the side slot near the key blade, and carefully push the screwdriver toward the direction of the key blade ( Arrow direction). The key blade is separated from the chip box. Insert a flat-blade screwdriver into the groove on the side of the chip case and rotate it to separate the buckle of the case. Then insert a flat-blade screwdriver into the groove at the top of the chip case and rotate it to separate the buckle of the case. Separate chip box, on the left is the CR2032 battery, and on the right is the chip circuit board. The white rubber pad around the chip board should be waterproof.

If you really don’t want to replace it, don’t do it yourself, or find a professional car key company to do it, so as not to accidentally damage the chip.