Yes, that's the adjustment that make the button appear in the center display. But it will not stay toggled after pushing it. It jumps back to untoggled after a few seconds.
Summary:
IPC is already enabled from factory
ABS 760-03-01 *xxx -- - enable HDC, done, nothing changes
ABS 760-04-01 xxxx xx8x xx-- enables Rock Crawl drive mode, done, disables mode selection in center display, and still no HDC.
APIM, changed to show the button
