Each dimmable segment has a lower end point associated with a first value of {HEAD ~ the vehicle parameter} and an upper end point associated with a second value of {TAIL ~ the vehicle parameter} 
Each dimmable segment has a lower end point associated with a first value of { HEAD ~ the vehicle parameter } and an upper end point associated with a second value of { TAIL ~ the vehicle parameter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL