Finding ways to shut off the FM radio in a 19 CX5

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CX5
I was wondering if anyone find a hack to shut off the FM radio? I was thinking about using the auxiliary port and changing my entertainment input to Aux. I just bought a brand -new 2019 CX5 Touring
 
I was wondering if anyone find a hack to shut off the FM radio? I was thinking about using the auxiliary port and changing my entertainment input to Aux. I just bought a brand -new 2019 CX5 Touring

Push the "Mute" button. That's about it.
 
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