Honda Odyssey Owners Manual: Light Switches

If you remove the key from the ignition switch while the lights are on, a chime sounds when the driver’s door is opened.

When the lights are on, the lights on indicator in the instrument panel will be on.

Models with high voltage discharge tube bulb

Repeatedly turning the headlights on and off reduces the life of the HID headlight bulbs. If you sense that the level of the headlights is abnormal, have the vehicle inspected by a dealer.

Do not leave the lights on when the engine is off because it will cause the battery to discharge.