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How to Reset the Service Light on the Citroen C4

Model: Citroen C4 MK 1 - Years 2004-2010
Part: Service warning light

If the wrench symbol flashes on the instrument cluster display, it's time for maintenance. After changing the oil and filter, reset the service warning light manually, without any diagnostic tool. Locate the TRIP button at the bottom left of the display in the centre of the dashboard, with the ignition off, press and hold this button, then turn on the ignition: the wrench symbol will appear in the top left of the display along with a countdown until the reset is complete.

Updated on 22 February 2026 by ScegliAuto

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