Assuming that it would be difficult to add an S/X style twist to the already-designed shift/AP stalk (best solution), here's next best:
Use the AP "toy car" portion of the display:
Use the AP "toy car" portion of the display:
Tap anywhere on front of car or above car to decrease following distance.
Tap anywhere on back of car or behind car to increase following distance.
Upward/downward chevron symbols could be added, if desired.
This would:Tap anywhere on back of car or behind car to increase following distance.
Upward/downward chevron symbols could be added, if desired.
Make control immediately accessible, rather than buried in menus
Provide very large finger press targets, needing minimal glances
Provide very large finger press targets, needing minimal glances