See also:

Service mode
In service mode, the remote start function is temporarily disabled to prevent the system from unexpectedly starting the engine while being serviced. ...

AUTO button
FULL AUTO mode operation: When the “AUTO” button is pressed, the indicator light “FULL AUTO” on the display illuminates. In this state, fan speed, airflow distribution, air-inlet control, and a ...

Fan speed control button
The fan speed control button has 6 different fan speed positions. The fan speed is shown by the display. ...