Some old cars too. Here's a discussion which indicates 1904 as possibly the earliest implementation: https://forums.aaca.org/topic/288789-first-vehicle-with-ada

Some old cars too. Here's a discussion which indicates 1904 as possibly the earliest implementation: https://forums.aaca.org/topic/288789-first-vehicle-with-adaptive-headlights/ https://forums.aaca.org/topic/288789-first-vehicle-with-adap... This comment gave me a chuckle: The Motor Cycle.....every one ever built has at least one.