Is it illegal to put Christmas lights on your car

I’ve done a bit of light research that’s basically just said if it’s red/blue lights then you might get done for “impersonating a cop” (as if).

Not actually planning on doing this but just wondering from a legal standpoint what’s wrong with it?

I’ve done a bit of light research that’s basically just said if it’s red/blue lights then you might get done for “impersonating a cop” (as if).

Not actually planning on doing this but just wondering from a legal standpoint what’s wrong with it?