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