When checking your vehicle's lights before driving:

Question

To check your vehicle's lights before a trip, you should set the parking brake, turn off the engine, remove the key from the ignition, and take the key with you. Turn on your low beam headlights and four-way flashers. Get out of the vehicle to make sure the lights are working properly.

Accepted Answer

The engine should be turned off.

Answer

The vehicle should be running and in gear.

Answer

The check can be done from inside the vehicle.

Answer

The check can be done by looking at a reflection from a shiny surface.