AFTER A COUPLE OF MONTHS I STARTED EXPERIENCING A LOUD "SQUEAK" COMING FROM THE REAR OF THE VEHICLE AND A "WHISTLE" AT SPEEDS OF 65-80MPH. I CONTACTED DEALER AND TOOK IT IN FOR THEM TO TROUBLESHOOT THE ISSUES. AFTER ABOUT 4 MONTHS OF OWNERSHIP ALONG WITH THE ABOVE MENTIONED PROBLEMS I STARTED NOTICING A HEAVY VIBRATION AT SLOW SPEEDS. I BOUGHT NEW TIRES, FRONT END ALIGNMENT, AND HAD TIRES BALANCED AS PER MY DEALERS RECOMMENDATION. THEN THE ACCELERATION ISSUES STARTED..... I TOOK IT BACK TO MY DEALERSHIP AND THEY PERFORMED THE "FLOOR MAT FIX". THE VIBRATIONS JUST KEPT GETTING WORSE AND THE CONSTANT VISITS TO MY DEALER AND CALLS TO TOYOTA'S CORPORATE OFFICE ALWAYS ENDING WITH THE "THAT'S NORMAL FOR THESE TRUCKS" SAYING. THE OTHER DAY I WAS RETURNING HOME AND I WAS APPROACHING A CURVE I REMOVED MY FOOT FROM THE ACCELERATOR AND DEPRESSED THE BRAKE PEDAL AND SLOWED DOWN TO TAKE THE CURVE, I WENT TO ACCELERATE THROUGH THE CURVE AND MY TRUCK WAS NOT TURNING. THE REAR TIRES WERE LOCKED EVEN THOUGH MY FOOT WAS OFF THE BRAKE WHICH BY THAT HAPPENING I HAD NO CONTROL OVER WHERE I WAS GOING. ... I ENDED UP NOT BEING ABLE TO STEER AROUND THE CURVE AND WENT STRAIGHT THROUGH SOMEONE'S YARD TAKING OUT A MAILBOX AND SLIDING SIDEWAYS INTO A TREE CRUSHING THE PASSENGER SIDE OF MY TRUCK. CALLED TOYOTA'S CUSTOMER SUPPORT AND REPORTED THE LOCKING UP OFF MY REAR END, THE FAILURE OF THE ANTI LOCK SYSTEM, AND THE LOSS OF STEERING. ALL I GOT FOR MY TROUBLES WAS A RUDE "WELL THERE'S NOTHING WE C