PEDAL-APPLICATION-ERROR ACCIDENT PREVENTING DEVICE

A pedal-application-error accident preventing device to be applied to a vehicle includes a steering-wheel-position changing mechanism, a steering-wheel-position adjuster, and an accelerator-pedal-position adjuster. The steering-wheel-position changing mechanism is configured to displace a steering wheel of the vehicle in a vehicle forward-rearward direction. The steering-wheel-position adjuster is configured to displace the steering wheel in accordance with an operation amount of an accelerator pedal of the vehicle such that the steering wheel is positioned further toward a vehicle rearward side as the operation amount of the accelerator pedal operated by a driver who drives the vehicle increases. The accelerator-pedal-position adjuster is configured to displace the accelerator pedal in a direction such that the operation amount of the accelerator pedal returns to zero in a case where the steering wheel is pushed back forward in a state in which the steering wheel is displaced toward the vehicle rearward side.