High Beam Indicator
WARNING: This page is about a different car, the 2015 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The high beam indicator informs the driver that the high beams are turned. The IPC receives the high beam indicator request from the GWM over the High Speed Controller Area Network 3 (HS3-CAN). The GWM receives the high beam indicator request from the BCM module over the High Speed Controller Area Network 1 (HS1-CAN).