2007 Lexus RX 350 Owners Manual - Page 137
2007 Lexus RX 350 Manual
Page 137 highlights
2-3. Operating the lights and windshield wipers AFS (vehicles with discharge headlights) AFS (Adaptive Front Lighting System) improves visibility at intersections and on curves by automatically adjusting the level of the headlights according to vehicle speed and the degree of the tire angle that are controlled by steering input. Operates at speeds of 18 mph (30 km/h) or higher. n Deactivating AFS Turn the switch OFF to deactivate AFS. OFF ON 2 When driving n Daytime running light system To make your vehicle more visible to other drivers, the headlights turn on automatically (at a reduced intensity) whenever the engine is started and the parking brake is released. Daytime running lights are not designed for use at night. n Headlight control sensor The sensor may not function properly if an object is placed on the sensor, or anything that blocks the sensor is affixed to the windshield. Doing so interferes with the sensor detecting the level of ambient light and may cause the automatic headlight control system to malfunction. 117