Methods, systems, and apparatus for automatically responding to a vehicle falling into water. The system includes a sensor configured to detect sensor data indicating whether the vehicle is falling into water. The system also includes an electronic control unit (ECU) connected to the sensor. The ECU is configured to determine that the vehicle is falling into water based on the sensor data. The ECU is also configured to adjust at least one feature of the vehicle in response to the determination that the vehicle is falling into water.