Voice command for radio and AC not working on 03 w/NAVI
 

Does anyone know anything about the voice command setup? I checked out an
03 at one dealership and had no problem using the voice command to set the
fan speed or radio. I checked out another unit with Navi at another
dealership and the map voice commands worked fine but not the AC or radio.
I went into the help screen to make sure I was using the right commands and
I was. I tried repeatedly with no luck but the gps commands worked every
time.