I have a 5-month-old Cascadia and I use my Pixel 3A to stream music and make calls through the stereo. It works fine most of the time, but sometimes it freezes and crashes the radio. The music keeps playing, but the radio controls and display stop working. The Power button also stops working, so I have to turn off the master battery switch to reset it. I searched for a firmware update or a similar issue online, but I found nothing. Does anyone here know how to fix this?
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I'll bet it's not your Android smartphone. My 2019 Cascadia's stock radio may operate for an hour or even a few days, but it constantly locks up, as you described, and the only way to get it to reset and function correctly is to press the battery kill switch. When I brought up the fact that it had been in the shop for unrelated problems, I was informed that it was a factory-caused wiring problem that had supposedly been resolved, but when I talked to other drivers who have the same vehicle and radio at the same terminal, mine still locks up.
Now that my Android phone is connected to the front aux port, I can modify the volume when the steering-wheel volume controls lock up until I get a chance to stop and reset using the battery switch, which is generally when I'm buying gas or taking a break. It is a PITA. Therefore I would appreciate it for someone to chime in with another approach.