> read the existing laws in most state I assume you mean 'US States'? This is a thread about the UK, and the UK law about vehicle tinting is cleary defined he

> read the existing laws in most state I assume you mean 'US States'? This is a thread about the UK, and the UK law about vehicle tinting is cleary defined here, so there is no need to be reasonable or try to assume a generality. Looks like 'Karen' might need to do her research a bit more. https://www.gov.uk/tinted-vehicle-window-rules https://www.gov.uk/tinted-vehicle-window-rules