This video shows how to reset service spanner light on a Citroen, this applies to most Vitroen models C1 C2 C3 C4 Berlingo, C5 DS3 etc.Also this works for mo After 5 years of fautless motoring in my 1.4 SX C3, the central locking system suddenly fails to operate - start of journey fine, end of journey dead. I've changed the battery and reset the key as suggested in the manual (use key to turn on the ignition and operate the buttons) and the key is still dead. Reset the ECU and was ok for about a month. Since then its been getting worse and worse. Stalling, stuttering etc. Garage suggested it was the coil so I got a new one and replaced that. Runs slightly better and does not stall. LIght still on so the garage reset the ecu again (7 errors - injector 4, misfire etc etc) and within 10 metres came well these engine are valve free so you cannot whack the valves if its wrong or the belt breaks ,the timing mark for the cam is top and to the left a bit looking from the front ,the mark lines up with a indent in the casing and the crank mark lines up with a mark at the top ,thier is a mark on the casing at the back ,These engines are one of the easiest to line up compared to a citreon or The Citroen C3 is a supermini car produced by the French manufacturer Citroen since April 2002. It replaced the Citroen Saxo in the company’s lineup, and is currently in its third generation. The C3 was originally available with 1.0- and 1.4-litre petrol engines, a 1.6-litre diesel engine, or a 1.4-litre HDi diesel engine. We have the same problem with a petrol Citroen C3 anti pollution warning message and engine management light on constant (i.e. not flashing). When engine is switched off fan keeps running too even when strting from cold. Is it safe to drive the car to our nearest Citroen dealer (25 miles away)? Any other advice welcome. Discover more: Place the electronic key against the back-up reader on the steering column and hold it there until the ignition is switched on. Switch on the ignition by pressing the " START/STOP " button. With a manual gearbox, place the gear lever in neutral then fully depress the clutch pedal. With an automatic gearbox, while in mode P, depress the brake pedal. LED will flash to indicate a successful reset. 6. If the function is unsuccessful, the 3 Function LED’s Selection will flash. 7. Switch the ignition off, unplug tool and turn ignition on. Additive Reset Regenerate Filter Mode Mode OK OK Vehicle Type Engine Codes Year C3 Picasso PADDGO ALL CODES 08-11 C4 PADDGO ALL CODES 06-11 The service indicator must be reset after each service. Switch off the ignition. Press and hold this button. Switch on the ignition; the distance recorder display begins a countdown. Release the button when =0 is displayed; the spanner disappears. If you have to disconnect the battery following this operation, lock the vehicle and wait at least QSNclXj.