# Not operating correctly. — Vehicle inspection defect categories: MOT major, minor and dangerous verdicts

For Not operating correctly., defect is Not operating correctly; category is Minor; inspection item number is 9.2; defect reference is (a); inspection item is Demisting and defrosting system (X) 2, recorded from its source on 2026-08-06.

- **Defect:** Not operating correctly. _(verified: appears in the quote below)_
- **Category:** Minor
- **Inspection item number:** 9.2
- **Defect reference:** (a) _(verified: appears in the quote below)_
- **Inspection item:** Demisting and defrosting system (X) 2
- **Authority:** EU Directive 2014/45/EU Annex I _(our reading, not quoted from the source)_

## What the source says

> (a) | Not operating correctly. Affecting safe operation of the vehicle. | | X | 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/).