The phrase "adaptive xenon" refers to a type of car headlight that can automatically adjust its brightness and direction based on various factors. Full definition
Now the New F7 (literal in its nomenclature, for now) is packed with adaptive xenon headlights, a heads - up display, a 10.2 - inch LCD touchscreen in the dash, a 12.1 - inch LCD screen for the gauge cluster, 12 airbags, a 500 GB removable in - dash hard drive, a panoramic - view camera system, a smart - key embedded in a wrist watch, and a literal remote controller for parking from a distance. (topspeed.com)
VISION ASSIST PACK - inc: configurable mood lighting Blind Spot Monitor w / Closing Vehicle Sensing reverse traffic detection Surround Camera System Front Fog Lights Adaptive Xenon Headlamps w / High Beam Assist Terrain Response 2 Auto (landroverpalmbeach.com)
Sport trim also includes adaptive xenon headlights and keyless ignition and entry. (volkswagensantamonica.com)