Thousands of cars are damaged or destroyed by floods every year. Many don’t end up in a junkyard. Some, are repaired and resold in other parts of the country without the buyer being aware of the car’s watery past. Flood-damaged cars are often transported well beyond their original area after major storms to places where buyers may not aware of what signs to look for. Water can ruin electronics, engine and transmission oil, and mechanical systems. It could take many months or years, until corrosionfind its way to the car’s electronics airbag systems.