Cool Is It Illegal To Have Led Lights Inside Your Car References. Web of course one reason you might have been told not to do it as a child is because if you left it on once you got out the car it would drain the battery and then you'd. However, it is important to be aware of the local laws and.

Web luckily, having led lights isn't illegal, but some regulations apply. Web going against popular opinion, having led lights inside your car is not illegal. Web led lights inside a car are not illegal as long as they don’t emit a very bright, blinding light.