Can anyone tell me what the 4 switch positions do, please??
Not got a clue- hate all this unecessary crap.
Got Multiecuscan on laptop, but when I was having steering troubles, it said I needed elm 327. Not bothered with it since.

Not got a clue- hate all this unecessary crap.
Got Multiecuscan on laptop, but when I was having steering troubles, it said I needed elm 327. Not bothered with it since.
