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I have a 2021 XT6 that is a year old. Have had no problems with radio shut off after opening driver side door until last night. Radio stayed on for about 5 min after turning engine off, and then opening and closing the driver side door. Tried this 3 or 4 times last night, and each time the radio stayed on. I found this thread hoping to find some advice on how to address the problem. Decided to take the advice of CSIMME01 and let it sit over night. I found this morning, without doing any additional intervention, the problem appears to be resolved, as the radio shut off when driver side door was opened. I had no indication that a software update was ongoing, and when I checked the settings app for an update it said no updates were available. Also had the car at the service department a couple of weeks ago for an oil change and was informed no software updates were available. So not sure this was associated with a software update, but appears problem was resolved just by shutting down and letting it sit over night.
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