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Lost your car key: What to do now

Key gone? Here's how to proceed, what documents you need, and when a spare key is possible without the original key.

14 July 2026 · 4 min read time

Stay calm and secure the vehicle

A lost car key is annoying, but solvable in the vast majority of cases. First check whether the vehicle is locked and parked in a safe place. If the key was lost together with documents showing your address, you should also have the vehicle additionally secured.

Documents you will need

To make a vehicle key we generally need the registration certificate part I (vehicle registration document) and a valid ID card. If you are not the registered owner, we need written authorisation from the owner.

The registration document is not only for identification: from the vehicle data it contains we determine which key type is fitted and which solution is even possible.

Is it possible without an existing key?

Yes, this is possible for many vehicles. However, the effort is greater than with an existing original key, because the key system has to be reprogrammed from scratch. Whether and how it works for your vehicle depends on make, model, year and equipment.

How to speed up your request

Send us the make, model and year via the car key form, a photo of the registration document, and, if available, a photo of another key. This usually lets us clarify feasibility before you come to Elmshorn.

Related articles from our guide

Send us your vehicle data, we check feasibility

Make, model, year and a photo of the registration document are enough. You will get an honest assessment before you come to us in Elmshorn.

How to find us

Hans-Böckler-Straße 1, 25337 Elmshorn

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