Got it!
After the bolt under the square cover, the panel surrounding the AC knob needed to be pulled off.
Once it was off, the bottom half came off, then the top half.
I used my Dremel to cut away just enough material for the cable to go between.
I was going to post an update, and saw your reply.
Here's some pictures.
First:
The top circled part is where I want to put the switch. The red oval is around the area I am trying to separate.
Second:
The red oval is around the part where I got the clip open on the left, but the right...
I just got a Sprint Booster for my '17 4Runner.
I wanted to install the switch to the right of the steering wheel where the "Party Mode" button is on the older 4Runners.
I can pop out the panel on the left side of the steering wheel pretty easy, but when I try to pop out part to the right of...
