This is likely due to the fact that the electrical systems of cars can mistake the lower power of LED bulbs as a sign of malfunction or failure. This is because the operating principles and electrical characteristics of halogen bulbs and LED bulbs are different.
Halogen bulbs are traditional bulbs that rely on heating a tungsten filament inside the bulb, requiring high current and power to start and maintain the light. On the other hand, LED bulbs require lower current and power, with different electrical characteristics from halogen bulbs.
When halogen bulbs in a car are replaced with LED bulbs, if the power of the LED bulbs is too low, the car's electrical system may mistakenly interpret the bulbs as being off or damaged, triggering a warning signal. Moreover, due to the different electrical characteristics of LED bulbs, they may cause voltage spikes and current fluctuations that lead to flickering or abnormal illumination.
To avoid these issues, it's recommended to choose LED bulbs that are suitable for your car and have matching power and electrical characteristics to the original halogen bulbs. If you are not familiar with modifying the electrical system of your car, seek help from a professional technician to ensure safety and stability.