Contact

Last updated: 4 November 2026

Use this form to reach the OBD4 team. It is also our point of contact for users and authorities under the EU Digital Services Act. We read messages in English.

Your name

Your email address (required)

We use it only to reply. For account or personal data requests, use the address on your account.

Topic (required)

Link to the page or content

If your message is about a specific page, paste its address.

Message (required)

Your message is emailed to our team. See the privacy policy for how we handle it.

Other routes

A publication, comment, profile or member: if you have an account, the Report link on the content reaches moderators fastest. Without an account, use this form with the topic "Report illegal content" and include the link.
A wrong fact on a tool profile: use Suggest an edit on the profile, or this form with a source.
Copyright: see the copyright process for what to include.
A moderation decision you disagree with: write within six months, and tell us which decision you mean and why you think it was wrong.

What to expect

We answer personal data requests within one month, as data protection law requires. If we need more proof of identity to act safely, we will ask for it.

We cannot give individual repair advice or confirm compatibility for your vehicle. Please ask the community instead.