Check out this article. Very informative. This is an issue for ALL drive by wire vehicles, which has not yet been properly addressed: http://www.cherryclough.com/Downloads/Toyota%20%27sticking%20pedals%27%20recall%20is%20a%20smokescreen,%2013%20Feb%202010.pdf The comments about EMI (Electro-Magnetic Interference) and it's effect on microprocessors brought to mind an incident that happened to me about fifteen years ago. While playing a cassette tape, I passed a semi truck at the instant he keyed the microphone on his CB radio. He obviously had a big Linear Amplifier ("Kicker") hooked up to his CB transmitter, because I could hear the blast of his transmission in my speakers, coming through the Cassette Player (NOT the Radio). Afterward, the cassette audio stopped working. This transmission of RFI (Radio Frequency Interference) had actually blown an integrated circuit in the AUDIO amplifier of my tape palyer! Yes, it came through the audio, without even having the radio switched on. Had I been driving a car with the Cruise engaged, could this RFI have locked up the microprocessessor and caused the engine to race? You betcha! Incidentally, notice that ALL Car manuafacturers have the same potential control issues--NOT just Toyota.