1998 Honda Prelude Owner's Manual - Page 91

Interior Lights Courtesy Lights master door lock switch. If you relock the driver's door or close the driver's door with the key in the ignition switch, the lights turns off immediately. Otherwise, the light remains on, then fades out in about 10 seconds. If you keep the door open, the ceiling light (with the switch in the center position) will turn off after three minutes when the key is not in the ignition switch. Turn on the spotlight by pushing the button next to each light. Push the button again to turn it off. You can use the spotlights at all times. Your car has a courtesy light in the ignition switch. The ignition switch light comes on whenever you open either door. It remains on, then fades out in about 10 seconds after both doors are closed tightly. The ignition switch light and ceiling light (with the switch in the center position) also comes on when you unlock the door with the key, the lock tab on the driver's door, or the Instruments and Controls On Type SH Your vehicle also has a courtesy light in each door. Each door light comes on when the door is opened, and goes out when the door is closed tightly.