As you are new, we don’t know how much you have been reading before joining. But this could be a place : Troubleshooting steer motor not moving - #16 by Larsvest
Also check the video : Setting up Autosteer - Hardware & Software - YouTube
Also be aware that when using autosteer you must drive faster than 1 km/h before program allows output to cytron.
But test drive should work when standing still.