In many countries, LED car lights are legal however, in others they are illegal. It is good to check with your local traffic laws to ensure you comply with the rules and regulations that have been put in place. There are different regulatory measures that have been put in place to govern the use of LED lights on the roads.
The headlights should be white or yellowish in color. Must be powerful enough to ensure clear vision at night or during bad weather. The LED lights should not be scattered to blind the oncoming vehicles.
You can also install led lights in the interior of your car .however, use it as long as it does not interfere with the normal operation of your car or does not interfere with your visibility as you drive.