Ford recently filed this patent for a four-wheel steering system.

"One thing Ford describes is turning the front wheels in one direction, and the rear wheels in the opposite direction. By applying power, this would allow a vehicle to move sideways left or right on a loose surface, the automaker claims.

Ford doesn't stop there, though. The automaker also describes steering the wheels individually. That means the wheels on either axle could be turned in opposite directions, with one wheel pointing left and and one pointing right.

Such a system would likely be reserved for off-road use. Ford specifically mentions loose surfaces like snow, sand, and mud, but not pavement. The automaker seems to think this setup could help if a driver gets very stuck, as turning the wheels in different directions could potentially gain traction."


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