....
Why would that be? less complicated I mean, just had a look at the power lead and the F10BT has the yellow mute lead, was that on the 900's as well?
Because, in Europe, legislation is less strict...
(and people don't stand a chance trying to sue Pioneer if something happens whilst they're watching a video during driving....
)
For all European Pioneer units, it's always been a simple matter of just grounding the handbrake wire....

