Just happened to me on my way to work, did not use remote start, used the door button to unlock.
Turned off the engine, open driver door to simulate exit for stuff tu turn off, immediately turn on car again and still climate off on screen.
Climate ctrl still works with physical button.
Ppl says that vehicle needs to be off for a couple of min in order to reset.
Tried force stoping "climate" under running applications but did not worked.
Definitely a smsll communication glitch between hvac module and mylink 3
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