inputs.text: useful tool - 4runner blinking airbag light obdii readers years none could read srs abs codes based recommendation forum went ahead bought inexpensive toolfirst negatives tool runs reliably windows xp since house almost totally windows 7 dig old laptop reinstall clean xp build not problem not prepared people not extra laptops laying around house see problem people next negative encountered appears related low voltage issue although not certain details yet near tell try use device without vehicle running sets error requires zero point calibration centering steering make sure vehicle stability control works correctlyto fair forum got recommendation mention problems solutions really encountered issues impatience not appear directions resolve issues included packagethe positive powerful tool also downfall well obdii reader simple use primarily provides diagnostic information ability clear errors tool actually change settings negative impacts not aware use really require skill knowledge take advantage power informed user invaluable tool