[Pwolf]

Originally Posted by Calum

Yup, I also had this issue twice, except my volume went up to max, not down.

I ended up doing a factory reset, but I also found that a wire in my harness was connecting IIRC, the cars illumination wire to the Ca-fi's SWC wire. Removing that was the more permanent fix.

Same here. Just removed the connection to the SWC and all was fixed.