1. Before installation, start the car, turn on the light to check whether the xenon bulb is working normally, turn on the light for 3-5 minutes, if the light does not flash or turn off, it is judged to be normal, if there is any abnormality, please contact customer service. Make sure that there is no abnormality in the headlights before proceeding to the next step of the lamp replacement process;

1) Turn off the headlights, turn off the engine, and pull out the car key

2) After removing the original car xenon bulb, please confirm that the bulb models D1 and D3 are not universal, and D2 and D4 are not universal, please confirm before installing on the car;

2. Special attention: During the installation process, the LED lights should be installed for the left and right headlights at one time before starting the vehicle and turning on the lights. It is not possible to install a light bulb first and then start the test light. After installing all the two light bulbs in the car, try the light again. Otherwise, the detection data of the original car computer is not synchronized, which may easily cause malfunctions such as failure lights, failure to light up, or flickering.