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Replacing the remote control battery on the Citroen C3 SX (MK3)

Model: Citroen C3 SY, SX - Years 2016-2023
Part: Key

In this short and simple video, we will see step-by-step instructions for disassembling and replacing the key remote battery on the Citroen C3 SX, third series. First, take your remote control and start by removing the rear cover to access the battery compartment, prying at the sides with something thin; then remove the old battery found inside and replace it with the new one of the correct type (in this case, a CR 2032 3V). Finally, insert it in the correct orientation and reassemble your remote control!

Updated on 28 April 2026 by ScegliAuto

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