2008 Lexus GX 470 Owners Manual - Page 186

2-3. Operating the lights and windshield wipers n Daytime running light system To make your vehicle more visible to other drivers, the front turn signal lights turn on automatically whenever the engine is started and the parking brake is released. 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 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 switch is turned to the "ACC" or "LOCK" position while the headlights are turned on. (The lights turn off immediately if the "LOCK" button on the key is pressed after all doors are locked.) To turn the lights on again, turn the engine switch to the "ON" position, or turn the light switch "OFF" once and then back to the or position. n Customization that can be configured at Lexus dealer Settings (e.g. light sensor sensitivity) can be changed. (Customizable features →P. 436) NOTICE n To prevent battery discharge Do not leave the lights on longer than necessary when the engine is not running. 136