Look at the connectors on the trans. There will be two. One will be the 3 pin backup/ neutral switch on the side, sticking out horizontally. The trans control is above and sits vertically. If it also has a 2 pin connector you can control the trans with switches. If it has ??6 or 8 ?? or so, it must be computer controlled
I've heard conflicting accounts about a computer trans being "left out." Some claim you need to have the computer flashed as for a stick, others say it generates errors that don't matter