The primary interior fuse panel is located behind the passenger-side glove box. You must remove the glove box (often requires a T-25 Torx driver) to access the SAM Cab module.
Finding the on a 2019 Freightliner Cascadia can be tricky because the "New Cascadia" model (P4) transitioned many traditional fuse functions into advanced computer modules. Primary Fuse Locations
There are three main areas where you will find fuses and relays on a 2019 model:
The fuses you're looking for are located on a fuse panel behind the glovebox on the passenger side. YouTube·Big Rig Fixhttps://www.youtube.com New 2019 Freightliner Cascadis Truck Fuse & Relay Location