Montbige31
New member
So I got my dads old mark 10 that has been sitting for about 3 decades now. And I was wondering what the button on the end of the throttle was for?
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If it is a white button it is for shifting. That is the infamous Mercury Auto shift.So I got my dads old mark 10 that has been sitting for about 3 decades now. And I was wondering what the button on the end of the throttle was for?