hi guys, i am new on here, just purchased my mk5 gt tdi a few days ago and getting my head around all the controls, i have a nav unit in the car with cruise control, i wanted to ask what was the best way to get the maximum mpg out of the car? what speed should i drive? should i also go into economy mode? i bought the car to travel to and from work and cover 50 miles a day so i want to get the best mpg possible, thanks for taking time out reading this and please reply with some advice. syd