I WAS TURNING ONTO THE STREET AT ABOUT 25 MPH AND AS I APPROACHED MY HOME, THE ADVANCE TRAC SYSTEM LIGHT CAME ON AND THEN THE SERVICE POWER STEERING NOW LIGHT CAME ON. STEERING WHEEL LOCKED UP AS I TRIED TO TURN INTO THE DRIVEWAY AND I RAN OVER THE CABLE BOX ON THE CURB BECAUSE IT WAS HARD TO TURN AT THAT POINT. PRIOR TO THIS INCIDENT, THERE WERE PROBLEMS WITH AIR PRESSURE IN THE TIRES AT LEAST THREE TIMES. LIGHT CONTINUALLY CAME ON INDICATING LOW TIRE PRESSURE. CAR WAS PURCHASED ON NOVEMBER 2, 2013. DEALERSHIP OFFERED THE EXTENDED WARRANTY, WE SIGNED PAPERS FOR IT. WHEN IT CAME TIME TO USE IT, THE WARRANTY WAS NOT THERE. WE DIDN'T SIGN ANY CANCELLATION PAPERS FOR IT. NOW WE HAVE TO DEAL WITH A BOGUS DEALERSHIP/FINANCE COMPANY AND PAY FOR A PART THAT MAY OR MAY NOT BE NEEDED. *TR