2012 Manual: "Adaptive Light Control is a variable headlamp control system that enables better illumination of the road surface. Depending on the steering angle and other parameters, the light from the headlamp follows the course of the road. In tight curves such as on switchbacks or when turning, at speeds up to approx. 40 mph/70 km/h, an additional, cornering light is switched on that lights up the area inside the curve."
It's the lamp inside the second corona (inner side). Not merely a feature to emphasize to oncoming traffic that you intend to turn, in addition to the blinker - its main purpose consists of adding light to the dark side of your choice...
“For ’tis the mind that makes the body rich” (W. Shakespeare, The Taming of the Shrew, Act 4, Scene 3)