The middle one, sorry it’s the wrong way round, I’m using my phone and don’t know how to rotate it!
I’ve fixed that for you. dd. 
It’s to let you rock it back and forward if stuck. I think lol
Yep it is to allow you to rock it back & forth if you get stuck…
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Cheers DD!
That makes sense when you look at it again. Hopefully I’ll never need to use it though!
Thanks all
I think it moves the ground backwards and forwards around the wheel.
slowtrac:
It’s to let you rock it back and forward if stuck. I think lol
Is that to send you to sleep while you wait for the wrecker ?
Pmsl
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All wrong. Its an ejector seat
I personally think it’s launch control
slowtrac:
It’s to let you rock it back and forward if stuck. I think lol
So how does it actually allow? i.e. how does it disallow if it has not been switched? What’s the technical implementation of the functionality?