A continuous or flashing engine warning light is an indication that the engine is not working correctly. Much of the time, the engine diagnostics will require special equipment, and therefore the illumination of the engine warning light will need the assistance of a trained professional. How to reset a Citroen C3 oil warning light? Answer. If you want to reset the warning light relating to the urea additive on your Citroen C3, all you have to do is refill (fill) the tank with the aforementioned liquid which has the purpose of decreasing the pollutants coming out of the exhaust. Posted on: 17 May 2022 by ScegliAuto. x 1897. Re: C5 service indicator. by Gibbo2286 » Mon Jan 14, 2013 12:13 pm. Mine has had that showing for quite a while due to the airbag fault warning popping up. I fixed that last week and the service light's now off. My airbag fault was a high resistance in the clockspring wiring in the steering column stalk switch. When the wrench or spanner indicator appears and flashes in the display, it’s time for regular service at the workshop. The service interval must be reset after performed the maintenance service on your vehicle. Depending on your vehicle model, here are a few ways to reset the service light on Citroën C3: 2nd Generation (2009-2016) To reset the engine management light on a Citroen Picasso, press and hold the trip reset button. Turn ignition key to position 2. By keeping the button pressed in, the trip meter will count down. The adblue light started flashing as well as the service light, so I topped up (about 3 litres) and the lights kept flashing. So I took the car to my local independant citroen specialist. They diagnosed that the adblue pump is broken and the whole tank needs replacing at £800 plus labour!! Citroen Xsara Picasso - Video tutorial. How to reset the service reset on Citroen Xsara Picasso. Very simple operation: enter the car body, turn on the instrument panel with the appropriate key (we will see the maintenance written), turn off the instrument panel and press the button on the left. We turn the instrument panel back on and wait for 5 days ago · Then, locate the small button located on the lower left side of the panel and hold it down for about ten seconds. At this point, release the button and press it several times until the display shows the "Vehicle check" message. Finally, press and hold the same button used earlier and confirm the reset of the warning light. An easy guide for resetting the service light or spanner light intervals for a Citroen C3 Picasso Consider to support my channel and all the hard work put into it at http://www.patreon.com/LMAutoRepairsThank youHiThis car came to me with the airbag light snxZ.