WAS REAR-ENDED, POWER SEAT SKIPPED TRACK AND RECLINED ON IMPACT, ENGINE WOULD NOT SHUT OFF EVEN WITH THE KEY REMOVED FROM THE IGNITION--LEXUS DEALER WAS CONTACTED--MCGRATH LEXUS IN WESTMONT,IL THEY LOOKED AT THE CAR BUT DID NOT REALLY EXAMINE ANYTHING, IE; THEY DID NOT TAKE ANYTHING APART--CAR WAS TOTALLED BY STATE FARM INS. CAUSED INJURY TO THE PASSENGER, WHOSE SEAT BROKE, THAT WOULD NOT HAVE BEEN AS BAD HAD THE SEAT STAYED IN THE UPRIGHT POSITION