# Products on lens or light source which obviously reduce light brightness or change emitted colour. — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Products on lens or light source which obviously reduce light brightness or change emitted colour., defect is Products on lens or light source which obviously reduce light brightness or change emitted colour; category is Major; inspection item number is 4.1.4; defect reference is (b); inspection item is Compliance with requirements 1 , recorded from its source on 2026-08-06.

- **Defect:** Products on lens or light source which obviously reduce light brightness or change emitted colour. _(verified: appears in the quote below)_
- **Category:** Major
- **Inspection item number:** 4.1.4
- **Defect reference:** (b) _(verified: appears in the quote below)_
- **Inspection item:** Compliance with requirements 1 .
- **Authority:** EU Directive 2014/45/EU Annex I _(our reading, not quoted from the source)_

## What the source says

> (b) | Products on lens or light source which obviously reduce light brightness or change emitted colour. | | | X |

## Source

- https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32014L0045

Last verified: 2026-08-06. Review by: 2027-02-02.
Part of [Vehicle inspection defect categories: MOT major, minor and dangerous verdicts](https://referencesource.org/vehicle-inspection-defect-categories/).