Surprised no one mentioned stopping distance is longer with a heavy unit,might want to practiice a few quick stops also.Higher center of gravity also effects handling,will be a lot more body roll and reaction to a sudden steering input than a car.Cross wind when passing,or being passed by another large vehicle will cause a noticable push from the air pressure.Know your height and train yourself to read all height markings on bridges and fuel islands. This may save you a very expensive lesson. Good to know your weight as well,if you are on side road and find a low weight limit bridge.Another good thing to do is set an object beside the passenger side and drive slowly past and see if it can be seen in the mirror the whole time,if not you have a blind spot. Adjust your mirrors and-or get convex mirror to remedy. Mirrors-adjust so you do not see your vehicle at all,it will never hit you,so you do not need to see it. Also aim them down,no need to see the sky,unless you are tracking low flying planes HaHa.You should be able to see out your mirrors without moving anything but your eyes and neck.Hope this helps,and as the others state...practice in a empty lot until you are comfortable with the size.