I have a question about the gas milage meter and road noise

[2010 Rallihead Sportback]

Are any off having road noise from the doors.. i think its mostly if not only the drivers door, i get wind noise goin over 60mph.. lol imagine the noise @ 140+ and also question about the mileage reader, how u keep it from resting your mpg reading when u leave it off for a while, like i want to set it up to were it'll show your mpg for as long as you have your car

[RalliUp]

The car is noisy for sure. I've only got it up to 120mph, but when your going that fast you don't pay attention to anything but the road.