2008 Toyota Avalon Owners Manual - Page 170

2-3. Operating the lights and windshield wipers n Daytime running light system (if equipped) 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. n Automatic light off system The headlights and tail lights turn off 30 seconds after a door is opened or closed if the "ENGINE START STOP" switch or the engine switch has been switched to ACC or turned OFF while the headlights are turned on. (The lights turn off immediately if the button on the key is pressed after all doors are locked.) To turn the lights on again, switch to ON mode, or turn the light switch OFF once and then back to the or position. n Customization that can be configured at Toyota dealer Settings (e.g. light sensor sensitivity) can be changed. (Customizable features →P. 429) NOTICE n To prevent battery discharge Do not leave the lights on longer than necessary if the engine is not running. 144