Integrated automatic heating/air conditioning system: Integrated automatic heating/air conditioning system

The buttons for the corresponding seat heating are installed in control panel of the integrated heating/air conditioning system (IHKA). The IHKA control unit processes the respective button signal. The IHKA control unit sends the button signal as a message to the corresponding seat module for the driver or passenger via K-CAN. The seat module activates the function indicator light for the corresponding seat heating in the control panel of the IHKA.