The Lampadati Viseris from the Doomsday Heist update.
Vehicles.ide:
viseris, viseris, car, SUPERGT, SUPER, VEH@LOW, NULL, 50, 5, 0.2747, 0.2747, 0, 5, 1.0 ,0, popuplights

Use https://gtaforums.com/topic/955449-iv-zolikapatch/ to make the popuplights flag functional