Drivers are notorious for forgetting common traffic rules , and that can be especially true during extreme weather. A perfect example is knowing when to use hazard lights while driving.

Hazard lights are one of the simplest controls in a car, but drivers don’t always agree on when they should be used. Seeing hazard lights while driving is especially common during heavy rain, fog, sudden traffic backups, and other situations where drivers want to make their vehicles more noticeable. But should they be used during extreme weather?

Learn when hazard lights make sense, when drivers should leave them off, and what to do when bad weather makes it difficult to see.

On This Page

Hazard Light Laws Vary by State

When Drivers Should Use Hazard Lights

When Drivers Shouldn’t Use Hazard Lights While Driving

What Drivers Should Do Before Heading Out in Bad Weather

Sources

Hazard Light Laws Vary by State

There isn’t one nationwide rule for using hazard lights while a vehicle is moving.…