1 start editor
2 create player and 2 crew members
3 create empty armored vehicles
4 when the vehicles are filled with crew and me as commander
5 with external view i order reverse with key S
6 the vehicle start reverse and quickly deviate on the right with stuttering
7 I order forward :no problem
8 and reverse again
9 same as 6
10 i change my position as driver: 1 to 9 no problem