How do I Change Radio Channels With Voice Commands for a 2008 Infiniti G35x With Navigation?

1). Press the "Talk" button located on the left side of the steering wheel to initialize the voice recognition system.
2). Say "Radio Play" to turn the radio on.
3). Say either "Radio AM" or "Radio FM" to select the band you wish to listen to.
4). Say "Tune" followed by the station frequency to tune to a specific radio station frequency.
5). Say "Preset" followed by either "A," "B," or "C" to switch to one of the three preset banks. Say a number between one and six to tune to a preset station within the preset bank. Each bank has six station presets that can be saved.
6). Say "Radio Off" to turn the radio off if desired.