If you take the control assembly out of the dash and look behind it, the connector has a black wire in position D7 (little letters and numbers are printed on the connector). This wire will have a connector on it, pull this connector apart and your display will now be in *F
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On the Luxpro PSD111, Farenheit or Celcius are selected using the Jumper Switch J2 on the rear of the unit's circuit board:
Open = Celcius
Closed = Farenheit
Probably the left side air temperature actuator is bad . electric motor that controls opening an closing of temp door in the HVAC case . No the computer doesn't need to be reset .
Temperature Valve Actuator Replacement - Left Side
Removal Procedure
Remove the left instrument panel insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gauges and Console.
Remove the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges and Console.
Disconnect the electrical connector from the left air temperature actuator.
Remove the mounting screws from the left air temperature actuator.
is it a canadian car?...I have a canadian regal..if i unplug the instrument cluster, guess what..my climate control changes from Celcius to Farenheight. When i plug it back in...it goes back to canadian eh..so.im thinking you need a US instrument cluster (ie..miles not kilometers).to make the climate control stay in farenheight....awaiting your feedback
I think these cars have dual climate control. Basically, the driver and passenger can set their own climate. Some like it hotter than others, is the thinking. If this is the case, you need a new climate control module. If not, I am at a complete loss.
On your DIC (driver information center) to the left you will see 3 buttons arranged vertically.
The ENG/MET button is used to switch between english and metric. Push that button until all displays are in english, that should return your climate control to fahrenheit.
Once you have completed that, push and hold the "reset" button down for 2 seconds ( button just below the ENG/MET button). That should reset you DIC to the default brightness as well as your other displays.
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