The Yaris has become Toyota's most important model in Europe, steadily increasing both its sales volume and market share. Last year, the latest and fourth generation Yaris recorded around 224,000 sales and took 7.6 per cent of the B-segment market, making it the carmaker's best-selling model in Europe. Continuing just-auto/AIC's review of interior design and technology trends, we step aboard this popular supermini to take a closer look.