Does the back half of the Renault Megane Tourer's sunroof open?

Can anyone tell me does the back half of the sunroof on a Megane Tourer open and if so how?

Would selecting the sunroof and spare wheel options on a Skoda Yeti increase the CO2 emissions?

I ordered a brand new Skoda Yeti 1.2 DSG (Automatic) with 2-wheel drive on 6 March, 2010. The order included factory-fitted options of Panoramic Sunroof and a steel spare wheel. I expected delivery about...