indirect lighting emits a soft blue light toward the ceiling, raise the mood of the room. Lights in conjunction with the door open, even for a few seconds after the door closed, and will continue to light up. At night is fading in conjunction with the small light. Setting: Interior illumination (with switch), instrument panel accent illumination with a car (with switch), SRS side airbags & SRS curtain shield airbags except with car (factory-installed option)