half hour before and after sunset and sunrise
Low beam headlights and fog lights if the vehicle has fog lights.
You should only use your parking lights when your vehicle is parked or when you are stopped in an emergency situation. They should not be used while driving.
If you are driving with your bright lights on and can see an approaching vehicle, you should turn off your bright lights immediately.
Your low beam lights should be on when driving after sunset (twilight) and when it is raining. Some states require headlights or daytime running lights to be on in various conditions or at various times.You should not use your high-beam lights when you are closely behind another vehicle, or when approaching another vehicle head-on on a two-way road.
No, you should not use high beam lights when following a large vehicle at night. High beams can blind the driver of the vehicle in front of you, reducing their visibility and increasing the risk of an accident. Instead, use low beam lights to ensure safe visibility for both you and the vehicle ahead. Always adjust your lighting based on the driving conditions and surrounding vehicles.
You should use your low beams to avoid blinding the driver ahead as you lights reflect in his mirrors.
You should only use your parking lights when your vehicle is parked or stopped in a dark area. They should not be used while driving as they are not bright enough to properly illuminate the road.
White rear lights on a vehicle typically indicate that the vehicle is either a motorcycle or a bicycle, which may use white lights for visibility and safety. In some cases, white lights can also signify a vehicle in reverse, alerting others that it is backing up. However, in most standard vehicles, rear lights should be red, as white lights are not typically used for standard rear illumination. Always refer to local traffic laws for specifics on vehicle lighting regulations.
500'
In fog you should use dipped headlights or front fog lights. Also you should use high intensity rear ( fog) lights.
When you are within 500 feet of an oncoming vehicle or you come up behind a vehicle.
You should dim your headlights when an oncoming vehicle is about 500 feet away. This helps avoid blinding the other driver and ensures safe visibility for both vehicles. Additionally, if you are approaching a vehicle from behind, you should dim your lights when you are within 300 feet.