The 2 keys are different, my wife found out today.
She went a whole year before needing to change the oil, and the system was not reset.
Two months after the oil was changed the "Oil needs changing warning" came on the display.
So the car was taken back to the dealer and was reset...but the display looked different.
It seems that with the FIRST key you can set (among other things) the max speed, but with the SECOND key you cannot unset.
Have we got that correct or can we find the correct answer in the manual (where)
thanks.