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How to Replace the Key Battery of a Peugeot 3008

Model: Peugeot 3008 T84, MK 1 - Years 2009-2016
Part: Key

Today, you will learn how to replace the battery of the key for a Peugeot 3008; this procedure can also be applied to other Peugeot key models. To replace the key battery, press the button near the metal part and push the metal part upwards to remove the metal key contained within the remote. Once the key is removed, insert a flathead screwdriver into the slot and apply light pressure to open the battery compartment. Remove and insert the new battery, close the cover, and once the key is inserted, test its functionality.

Updated on 23 September 2026 by ScegliAuto

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On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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