The dismantling method of the car taillight is as follows: 1. Removing the cotton lining in the trunk. After the trunk is opened, use a small screwdriver to pry open several plastic buckles that fix the cotton lining, and then peel off the cotton lining by hand. 2. Removal of the nut fixing the rear tail light. There are three nuts for fixing the rear tail light of the car. Take out the small wheel and put it on the No. 8 sleeve, and then remove the three nuts fixed on it one by one. Put it away; 3. Rear tail light wiring harness 4. To replace the rear tail light, after unplugging the wiring harness plug, the rear tail light can be removed, and hold the rear light with two hands. The two sides of the tail light, and then gently pull out, and gently shake while pulling to remove.