I have just discovered a knob under the front of the seat. It is marked "Fast" and (turning it clockwise to) "Slow" with "Lock" at the extreme. Can anyone tell me what it is for?
https://www.youtube.com/watch?v=pl6kqCJkQo8I have just discovered a knob under the front of the seat. It is marked "Fast" and (turning it clockwise to) "Slow" with "Lock" at the extreme. Can anyone tell me what it is for?