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Shinichi Sasaki, Toyota Executive Vice President in charge of Quality, the chief Quality officer at Toyota, explained at a press conference that Toyota has a good handle on individual components quality but not enough on the quality of components as they interact in environmental conditions inside the car. Moisture could collect on gas pedals inside the car in certain environmental conditions and cause the car pedal to get depressed and stick. There is a lack of research he said on how how accelerator pedal systems were affected by certain climate conditions and how moisture could collect inside the pedals and cause overacceleration. This caused one of the 2 recalls made by Toyota recently. Total recalls worldwide for faulty pedals and floor mats is now around 8.1 millon units. Mr Sasaki said that Toyota's research has shown that the gas pedal's electronics were not at fault. The fix Toyota has come up with is to ship a part , a shim, a small piece of metal which when inserted into the gas pedal assembly will prevent it from being stuck in a depressed position. Sasaki fears a global hit to Toyota sales especially in the U.S. market.