From VIN S5220000

Battery voltage is applied at all times through the ROOM fuse to the trunk light, ignition key light, dome light, left and right front door courtesy lights and door ajar indicator. When the trunk latch is opened, the trunk light switch closes and the trunk light is illuminated. With "Key-in ignition" signal to the electronic time and alarm control module, the ignition key light is illuminate. When any door is opened, the corresponding door jamb switch closes and illuminates the dome light, right and left front door courtesy lights (if equipped), and door ajar indicator. The dome light can also be operated independently with the dome light switch.