When a motor vehicle falls into water, the door can only be opened or the window rolled down to escape after water has nearly filled the cabin.

ANSWER · A

After the vehicle falls in, when interior pressure is lower than exterior pressure and the door cannot be opened due to water pressure, wait until the cabin is nearly full before opening the door or rolling down the window. If neither is possible, use a safety hammer or screwdriver to strike the four corners of the window to break it. With no hard objects available, remove the seat headrest and insert its steel rods into the gap between the window and door to pry the glass and escape.

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