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How to Open the Stuck Tailgate on the Citroen C4 Mk1

Model: Citroen C4 MK 1 - Years 2004-2010

In this short and simple guide, learn how to open the stuck tailgate on the first-generation Citroen C4 from 2005, as well as on most models from the manufacturer. It is possible to open the boot from the inside when the lock malfunctions; therefore, recline the rear seats to gain more access space. At this point, use a flat screwdriver to press on the locking pin, moving it and thus opening the boot tailgate, as illustrated in the video. Proceed to replace the lock afterwards!

Updated on 2 May 2026 by ScegliAuto

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by ScegliAuto

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