For the 1940 model cars Nash introduced independent coil spring front suspension and sealed beam headlights.

They incorporated fire resistant materials, sealed beam headlights and air conditioning.

Many drivers acknowledge this with a return wave or a brief reply 'flash' of their high beam headlights.

Overhauled cars received sealed beam headlights to illuminate tunnels.

Sealed beam headlights were standard equipment.

In 1957, sealed beam headlights were added to the cars.

In 1979 all Broncos were standard with square sealed beam headlights.

In addition to this, the 650S has a newly styled cowling with stacked high and low beam multi-reflector headlights.

Model years 1980 to 1985 had round sealed beam headlights.

The R22s were the first cars to have sealed beam headlights.