Recalibrate outside temp display

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Mazda CX5 GTR 2019
After having some work done on the audio system, my outside temp gauge is suddenly reading low -- like 30 degrees low. Does anyone know of a way to recalibrate or reset the temp gauge?

FiveG
 
Restored itself. Wasn't doing that while I was in the vehicle for 30 minutes after the work was done, but when I came back after being in work for about five hours, it was reading correctly.

Guess it just needed to recover.
 

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