Integrated automatic heating/air conditioning system: Integrated automatic heating/air conditioning system
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
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.