Auto lamp sensor. w/o auto temp cntrl. A component which gives a visual indication of collision warning system alerts or functions. Ambient Light Sensor. Includes Sunload Sensor. Part located at top of instrument panel. Assembly - HeadLight Auto Control AMB LGT. Ambient Light. Auto lamp. Collision Avoidance Warning Indicator. DRL. Monitor. Sentinel. Sunload. Included with: Upper panel.