Since the advent of incandescent light sources, there have been discrete big shifts in the appearance of vehicle front lights. One of these was primarily an American phenomenon: composite, architectural headlamps were allowed starting in 1984, freeing stylists from over four decades’ confinement to standard round or rectangular sealed beams. Very suddenly, cars with headlamps that had formerly looked unremarkable looked quite out of date. The silver 1989 Chrysler on the right with composite headlamps is the direct successor of the 1988 model on the left with rectangular sealed beams set into typical “sugar scoop” frames: