Is it possible to mute the beep on the steering wheel controls?

I have a 2012 CX-9 and it has steering wheel-mounted volume and track controls. Does anyone know if there is a way to eliminate the beep every time you adjust the volume? Pressing and holding the volume rocker emits one beep, but then adjusts to volume too quickly, so I end up moving it back a few steps anyway. eg. volume is on 6 and I want to put it at 9. I can press three times, but then it beeps three times - which is really annoying - but if I press and hold, it skips up to 10 or 11 before I can let go, and then I end up adjusting it downward anyway.

TL;DR - I hate the beep. Can I make it go away?
 
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