For anyone who has a Subaru and wants to get rid of this there is an aftermarket part you can install to bypass the telematics radio without losing access to any other features (if you just unplug it I think speakers stop working)
https://www.autoharnesshouse.com/69018.html
It's $80 for the one that retains the OEM head unit, but I'm thinking that might be worth it.
Just to add full context, if you owe money and fill an extension till October you could have to pay a 25% penalty on what you owe.
https://www.irs.gov/newsroom/irs-reminds-taxpayers-an-extension-to-file-is-not-an-extension-to-pay-taxes