When a car falls into water, it does not sink immediately. You can use the one and a half to even two minutes before sinking to escape through the doors or windows. Even if the car submerges to the bottom, there are methods to escape because it may take about half an hour for the cabin to fill with water. The exact time depends on whether the windows are open, the car's sealing, and the depth of the water. The deeper the car sinks, the greater the water pressure, and the faster the cabin fills. Here are the steps to handle a car falling into water: 1. Once submerged, do not panic. Hold onto the handrail or the back of the seat tightly, lean back against the seat, and roll with the car as it turns. This prevents passengers from being knocked unconscious before the car rolls into the water, which could lead to drowning due to inability to self-rescue. 2. During the fall, keep your lips closed and teeth clenched to avoid biting your tongue. Cars have some watertight capabilities, so after entering the water, do not rush to open the windows or doors. Instead, close all doors and windows to prevent water from rushing in. The end with the engine will sink first, while the other end's roof will trap a pocket of air, which can be used to survive. If time permits, turn on the headlights and interior lights to see your surroundings and aid rescuers in locating you. Unfasten your seatbelt. Stick your head into the air pocket to breathe. If the engine is in the front, climb to the back seat. Use the time to close windows and ventilation ducts to preserve air inside the cabin. 3. As the car gradually sinks, water will enter through gaps until the pressure inside and outside equalizes, at which point the water level inside the cabin will stop rising. Stay calm and wait patiently during this time. Trying to force open the door when the pressures are unequal will only cause chaos and reduce your chances of escape. 4. Once the water level stops rising, take a deep breath, then open the door or window and jump out. Remove your outer clothing first. If the door cannot be opened, use a car repair tool or wrap clothes around your hand to break the window glass. Exhale slowly as you rise. The air pressure in the car and your lungs matches the water pressure. As you rise, the air in your lungs will expand, and failing to exhale excess air can damage your lungs. 5. If there is more than one person in the car, hold hands and escape together, ensuring no one is left behind.
