Legacy creep

I hope someone chimes in on this query. I believe that I, too, occasionally have this problem. After switching to another loco, the previous loco (diesel, usually GP7 with Legacy) starts a slow forward creep. I used to think that I inadvertently moved the red knob off zero velocity while I was still addressing that engine, but I've been careful, and believe it the previously-addressed loco goes to a low velocity all by itself.
Bob A.

In Legacy, an engine that is not started (or has been shut down) will move if you address the engine (accidently or on purpose) and turn the control knob. It will also respond to many other commands, such as lights, couplers, horns, comms, etc. without being started.

Greenline - Thank you. That answers it. I did some experimentation today, to confirm what you said. I was touching the red Legacy knob accidentally after shutting down an engine, before addressing another one. Seems unprototypical to have an engine you deliberately "shut down" respond to velocity commands before you "start up" again...
Bob A.

The "shutdown" only applies to the sounds, normal operation for all other things remains active. That differs from the MTH PS/2 stuff where a shutdown really shuts it down. That's one deficiency that I wish Lionel would address.