Firefighting aircraft have been key in California’s battle against the wildfires raging in Los Angeles over the past week. An array of aerial firefighters have dropped thousands of gallons of red fire retardant liquid on LA in recent days, but have you ever wondered what all that liquid might do to a car?

Red flag warnings tell other agencies, like fire and transportation departments, that it's time to staff up and prepare to respond to fast-moving fires. But they're also intended to put the public on high alert.