In a 2020 Honda Accord, you can turn off all lighting by switching the exterior lights to OFF and setting the interior dome light to OFF, then ensuring any other individual interior map lights are off. This helps prevent battery drain when the car is parked.
This guide explains the exact controls for exterior and interior lighting on the 2020 Accord, describes what to do if some lights stay on, and offers tips for long-term parking. While some trims may have slight variations, the general layout described here covers most models in that year.
Exterior lighting controls
Use the following steps to ensure all exterior lighting is fully turned off. The exterior lighting on the 2020 Accord is typically controlled by a rotary switch on the left side of the dashboard near the steering column.
- Rotate the exterior light switch to the OFF position. This disables the headlights, parking lights, and any daytime running lights that are activated by the switch.
- If the switch is currently in AUTO, note that it may still activate lights automatically under certain ambient conditions. For a guaranteed off state, set it to OFF.
- If your model has separate fog lights, ensure they are also turned off by their dedicated switch, if equipped.
- Double-check that the exterior lights remain off after you start the car; some models may briefly illuminate lights as part of the startup sequence, but they should shut off once the system initializes.
With exterior lights set to OFF, the car’s external illumination is disabled. If lights persist due to a fault or a sensor quirk, a dealer visit may be necessary to diagnose the issue.
Interior lighting controls
Interior lighting in the cabin is managed from the overhead console and by door-interrupted courtesy lighting. The following steps help you keep the cabin dark when parked.
- Set the dome light switch on the overhead console to OFF. This prevents the interior courtesy lights from turning on when you enter or exit the vehicle.
- If your Accord has a DOOR/ON/OFF setting for the dome light, choose OFF to keep interior lights off regardless of door position.
- Check any individual map or reading lights by pressing their switches to ensure they’re off.
Concluding: With the dome light switch set to OFF and all map lights deselected, the interior should remain dark when the doors are closed. If you frequently need interior lights off but want occasional illumination for entry, use DOOR mode instead of OFF to allow lights to come on only when doors are opened.
Troubleshooting and longer-term tips
If a light remains on after following the standard steps, try these checks before seeking service:
- Open and close all doors to ensure the courtesy lighting cycles correctly and confirm the dome switch is in OFF or DOOR as intended.
- Press each map light individually to make sure they’re fully turned off.
- Make sure the ignition is fully off and the key is removed when leaving the vehicle, as certain systems may behave differently with the key in accessory mode.
- If lights persist, consult your owner's manual for trim-specific nuances or contact a Honda service technician to rule out a malfunction.
Summary
To completely turn off all lights on a 2020 Honda Accord, set the exterior lighting switch to OFF and the dome/interior lights to OFF, then verify that any individual map lights are also off. For long-term parking, consider using DOOR mode for interior lights if you want them to illuminate only when doors are opened. If lights stay on unexpectedly, a dealership may need to diagnose a possible fault.


