"Vertical taillights" refers to the rear lights on a vehicle that are positioned in an upright or vertical orientation, rather than horizontally. Full definition
The rear view features gently curved, thin vertical taillights and with no exhaust pipe. (thesupercars.org)
The rear of the 2019 Ranger keeps the large vertical taillights and the tailgate features the Ranger name stamped across it, like the Toyota Tacoma. (thetorquereport.com)
In the rear, vertical taillights mimic the look of other Cadillac models», while a chrome skid plate emerges from between the two parallelogram - shaped exhaust tips. (automobilemag.com)