Satellite Radio Interference with USA Spec BT-45 Toy

[MemphisTLC]

BT-45 Toy has been installed for a couple of years working great. Slowly over the last couple of months the satellite radio bleeds into my Bluetooth feed. Cycling through AM/SAT and CD fixes the problem but it becoming a hassle. I want to just totally disconnect the satellite option and see if that cures the problem. How would I go about doing this? 2005 LC with navigation…