This car has a lot of controls. For air ag5 on vtol down ag5 off vtol normal, ag7 on vtol almost to the top, and lift off when air borne ag1 on then off and vtol all the way up. For land ag3 on vtol all the way down ag3 off ag4 on almost to the bottom ag4 off vtol normal, ag2 on and ag8 off , tip for all of them trim and vtol control front engine pitch and yaw is large amount of well, yaw. For water, land, ag1 should’ve already been turned off do ag 3 and ag 4 from car mode and ag 7 and trim normal for inside normal front engine pitch anddown for up and vice versa, ag7 and and vtol up for reverse, normal for up and down for forward. Very complicated build but it works quite well except for spinning i might make a later version witb a tail fin.