IIRC Toyota did have a real problem with clearance between the accelerator pedal and (their own aftermarket parts) floor mats. It was possible for the pedal to

IIRC Toyota did have a real problem with clearance between the accelerator pedal and (their own aftermarket parts) floor mats. It was possible for the pedal to be wedged against the floor mat. I don't think that was conclusively shown to the cause of any of the incedents though.