2009 Toyota 4Runner Owners Manual - Page 96

1-3. Adjustable components (seats, mirrors, steering wheel) Auto anti-glare inside rear view mirror In automatic mode, sensors are used to detect the headlights of vehicles behind and automatically reduces the reflected light. Press the button for longer than 3 seconds to turn auto mode ON/OFF. The indicator comes on when automatic mode is turned on. The mirror will revert to the automatic mode each time the engine switch is turned on. 1 Before driving 71 n To prevent sensor error (vehicles with auto anti-glare inside rear view mirror) To ensure that the sensors operate properly, do not touch or cover them.