Rear view mirror temp gauge

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  kyfdx Moderator Posts: 237,287

  November 2015

  sonnygenep said:

  I have had several GM products which have the outside temperature and compass display in the rear view mirror. (Where it should be)
  I recently purchased a 2013 Avalanche and the outside temperature and compass display are in the dash, displayed below the speedometer, where you have to take your eyes off the road momentarily to check them.
  I own 3 Avalanches, so I swapped the mirror from my 2007 Avalanche, and the compass displays correctly in the 2013. However the temp gauge just displays OC. How can I get it to display the correct outside temperature.
  BTW the in-dash display is not affected, still displays properly.

  I'm sure the mirror in your previous Avalanche had a connection to a temperature sensor, as an inside mirror can't give you an outside temperature without one. Of course a compass doesn't need a connection.
  
  I doubt you can make it work, because it's likely there is no connection to a sensor.

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