In my 2021 Yukon Denali the screen behind the steering wheel is almost always asking me to change the battery in my key fob. I have a single key fob in the car, and this happens even if I've just put a fresh battery in. I've tried a couple different brands, including a Duracell 2450 3V battery...
I have the OEM all weather mats (84503128). I woke up to vacuum the car in the morning and found that there was water underneath the front driver and passenger mats. It seemed like a lot of condensation, but only under these mats. The 2nd row was fine, and there was no sign of any moisture...
A valentine one radar detector connected to the center console 12v power will reboot when stopping with auto start/stop enabled. It doesn't reboot in another car. I also tried with a streamer connected to the outlet in the 2nd row and it would also reboot.
So it has power before after the car...
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