http://www.daciaclub.ro/RESET-service-light-t267292.html

After ignition, within 10 seconds press and hold the throttle pedal, then press the brake pedal 3 times. Oil-change warning light should turn off.

Just to be very clear in English, do not start the engine, just put the key in the position where all the lights on the dashboard comes on.

Never tried it but I suppose you've nothing to lose!

 

Many thanks my light will come on in 400 miles, I will try the routine then, and let you know if it works.. regards Notpiks