Tivo bolt and Comcast. What a nightmare

I just got my Tivo Bolt and just got Concast. What a nightmare it has been trying to get them to pair it with the cablecard. I KNOW the cablecard works (as the one screen that gives the information as to whether its successfully paired has all the right values) and yet it hangs at 89% when trying to acquire the channels. This is on them and after 5 days they are pretty much refusing to fix it. Meanwhile they have pushed relentlessly to sign me up for X1 service.
i feel I need to complain to the FCC or something because it cant be THAT hard to pair the card. Its ridiculous.