We have a regular size garage (8' and 16' doors), but we have three lifts. Also, there isn't much clearance to the walls so it has taken a bit of fine tuning to get the car in and out safely. The problem with the top view is that we have to pull in the mirrors to clear the lifts and that pretty much negates that view. Probably the best we have found it to use the front view with the green lines running out in front. Have someone guide you in a couple of times until you know just where to line up those lines.
We also put some foam mats on the walls and under the lifts just in case the doors go up too high. It also helps to put the seat back a bit to get out.
Still a little nervous
Franny