Have you heard about the headlights automatic operation system on a 2010 Toyota 4Runner? Let's check it out. With the head lamp switch on the auto position, the system turns the low beam headlight on when it gets dark and off when there is good sunlight. When dark, the automatic headlights will be on for about 30 seconds till one leaves the car to walk by. This new feature is a smart, built-in system that works well with the intensity of the light.