Consumer Rights & Hidden DefectsDocument Templates
Published on 09/05/2026

Independent Expertise: Why you shouldn't trust the dealer's diagnosis

In a hidden defect dispute, the dealer is both judge and jury. Their diagnosis will almost always conclude an 'external cause' or 'normal wear and tear'. To win your case, you need a neutral perspective.

The Role of the Independent Automotive Expert

An independent expert will analyze the defective part (such as a deformed AdBlue tank) and can confirm the design flaw. Their report is a major legal piece that transforms simple dissatisfaction into a solid case for court.

How to Appoint an Expert?

First, check your car insurance contract: many include 'Legal Protection' which covers expertise costs. Don't let the manufacturer keep the defective part; it is your evidence!

Share Your Report

If you already have an expert report confirming a hidden defect, report it to us to help other members of the collective.

Are you affected by this problem?

Join the national registry to defend your rights under the warranty of hidden defects (Art. 1641).

Register my case