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This is how to use AC - Climate Control Temperature like Speed counter, rmp counter, temperature, and much more. Instructions below :
---Changing Degree Temperature Display---
Press and hold the recirculation button. Then press the temperature up ("+") button to switch between degrees Celsius & Fahrenheit on the Climate Control Temperature and Instrument Panel Outside Temperature displays.
---Accessing On-Board Diagnostic codes---
Press and hold the recirculation button. Then press the manual flow control up arrow. You should see a 1c. Press the temperature up ("+") or down ("-") buttons to select a code number. Then press the recirculation button again. The value should display. Press the temperature up or down button again to display another code. Here is some code :
2,3 - inside temperature
5,6 - outside temperature
16 - Specified value of Air Flow Flap
17 - Vehicle Speed (km/h)
18 - Actual Air Blower voltage (Volts)
20 - A/C Compressor (A/C Clutch) voltage (Volts)
26 - Analog/Digital value, Engine Coolant Temperature (ECT) Warning Light
28 - Engine Speed (RPM)
51 - Engine Coolant Temperature (ECT) in deg C