NHTSA Complaint #10312789 — 2004 LEXUS RX330

I BOUGHT A USED 2004 LEXUS RX IN DECEMBER OF 2008. EVER SINCE OWNING THE VEHICLE, AT RANDOM TIMES WHEN ACCELERATING FROM A STOP OR SLOW MOVEMENT, IT WILL HESITATE AND THEN REVS UP AND THRUSTS FORWARD. I TOLD MY MECHANIC (A CERTIFIED LEXUS MECHANIC) ABOUT IT AND HE SAID THAT I SHOULD TAKE IT TO THE LEXUS DEALER TO HAVE THE "COMPUTER PROGRAM UPDATED". I TOOK IT TO THEM LAST SPRING AND THEY MADE ME DRIVE IT WITH THEM TO FEEL THE HESITATION AND THRUSTING FORWARD AND THEN TOOK IT INTO THE SHOP TO COMPLETE THE REPROGRAMMING OF IT. BUT THEN THEY LOOKED AT THE CAR'S RECORDS AND IT SAID THAT THE CAR HAD ALREADY BEEN REPROGRAMMED AND THEY TOLD ME THAT THEY COULDN'T REPROGRAM IT AGAIN. THE MECHANIC SAID HE WOULD SEND NOTICE OF THE PROBLEM TO LEXUS, BUT I NEVER HEARD ANYTHING BACK FROM THE DEALER OR LEXUS. MY CAR STILL DOES THIS REVVING UP AND THRUSTING FORWARD. THERE HAS BEEN NO ACCIDENT, BUT I THOUGHT YOU MIGHT WANT TO KNOW ABOUT A PROBLEM WITH A LEXUS ACCELERATOR AND ITS COMPUTER SYSTEM, THAT THEY EITHER IGNORED OR CAN'T FIX. DO YOU THINK THIS COULD BE A PRECURSOR TO A SERIOUS PROBLEM AND MAYBE AN ACCIDENT IN THE FUTURE? I AM NERVOUS NOW THAT I HAVE HEARD ALL ABOUT THE PROBLEMS WITH LEXUS ACCELERATORS AND ACCUSATIONS OF COVER-UPS. I TOOK IT TO THE DEALER AND NOTHING WAS FIXED AND NO ONE HAD THE COURTESY TO LET ME KNOW WHY NOT. WHO SHOULD I TRUST TO TAKE IT TO NOW? AM I IN DANGER IN THE FUTURE? HAVE YOU HAD OTHER COMPLAINTS ABOUT THE LEXUS ACCELERATOR COMPUTER SYSTEM? *TR