POWER STEERING UNIT WENT OUT WHEN DRIVING WITHOUT WARNING. PULLED HHR OVER TO THE CURB TO GET THE CAR OFF THE ROAD AND DAMAGED TIRE ON CURB. CAR VERY HARD TO STEER AND COULD NOT CONTROL WHEN PULLING VEHICLE OFF ROAD. THIS IS A SERIOUS SAFETY HAZARD ESPECIALLY FOR MY WIFE WHO DOES NOT HAVE THE UPPER ARM STRENGTH TO CONTROL THE VEHICLE. SAME POWER STEERING UNIT IN THE CHEVY CRUZE AND PONTIAC G6 HAS BEEN RECALLED. DO NOT UNDERSTAND WHY THE HHR HAS NOT BEEN INCLUDED IN THE RECALL. SAME PROBLEM REPORTED ON THE INTERNET BY MANY OTHER OWNERS. *TR