WHILE DRIVING ABOUT 68MPH ON AN INTERSTATE, TAPPED BRAKES TO CANCEL CRUISE CONTROL, RIGHT FRONT TIRE LOCKED CAUSING ME TO LOSE CONTROL ON THE VEHICEL HIT GUARDRAIL HEAD ON AT ABOUT 55MPH. AIRBAGS DID NOT DEPLOY. TOOK VEHICEL INTO ONE DEALERSHIP 4 TIMES, SAID NOTHING WAS WRONG, TOOK IT TO ANOTHER ONCE DID NOT FIND FRONT PROBLEM BUT REPLACED MY WHOLE REAR END.*AK