My 10 year old Chevy highlights the trailer hitch when you get close. I don't recall what it is now. I see what he did with leaving the tailgate open...
Morse tapers do not need anything to prevent the taper breaking if the taper is in good condition. First check that the male taper holding the chuck...
Consider trying a white vinegar, epsom salt and Dawn dish soap solution applied directly to the sprouts and see if that takes care of them. Attacking...