Troublesome automatic gearbox on my Grand Modus

I have an issue with automatic gear box on my Renault Grand Modus 1.6 (2008). Have driven autos for over 20 years, mainly Japanese cars so this is my first Renault. I find that the Modus drives more like...

Can you improve your fuel economy by changing your driving style?

I suppose it's fair to say that all the EU fuel efficiency tests are carried out in the way described on the car fuel data glossary at www.directgov.co.uk - a rolling road, simulated drag, no gradients...