I have an Alfa Romeo 159 and on the original unit I had Bluetooth and voice recognition through a factory system called Blue&Me. As such, there are 2 buttons on the steering wheel for answering the phone and for voice commands.
Unfortunately, those don't work anymore on F900 (I have the Pioneer remote wired interface installed). All that it works from the steering wheel are volume buttons and tuning - no VR, no telephone and no changing FM presets.
So: is this a limitation of Pioneer, i.e. they didn't programmed the remote interface on the HU to respond to those commands, or it's about the remote interface that doesn't issue those commands to the HU?