THE KEY STICKS IN THE IGNITION. AT FIRST, AT WAS INTERMITTENT BUT PROGRESSIVELY BECAME WORSE UNTIL THE KEY WOULD NOT COME OUT AT ALL. TOOK TO THE DEALERSHIP AND IT COST $500 TO FIX.*AK
2008
SERVICE BRAKES, HYDRAULIC
UNDER HARD HIGH SPEED BRAKING THE FRONT BRAKES SHUDDER BADLY CAUSING A SEVERE FRONT END SHIMMY DUE TO WARPED ROTORS MAKING STOPPING DIFFICULT. IF PRESSURE ON PEDAL IS NOT RELEASED THIS COULD CAUSE LOSS OF CONTROL AND A CRASH. IT IS WORSE IF GOING DOWNHILL. THIS IS A VERY COMMON ISSUE ON GM CARS BUILD IN THE LAST 8 YEARS. THERE ARE POSTS ALL OVER THE INTERNET ABOUT THIS. THE PROBLEM IS WITH POORLY MADE BRAKE ROTORS THAT WARP AT UNDER 15,000 MILES OF NORMAL USE. I HAVE HAD THE SAME ISSUE WITH MY WIFE'S 2003 IMPALA. THESE CARS SHOULD BE RECALLED AND THE ROTORS REPLACED WITH PARTS OF ADEQUATE QUALITY. IF YOU CAN GET THE ISSUE ADDRESSED UNDER WARRANTY, THE DEALER WILL ONLY EITHER TURN THE DEFECTIVE ROTORS OR REPLACE THEM WITH THE SAME OEM JUNK. THE ONLY FIX I HAVE FOUND IT TO REPLACE THEM WITH AFTERMARKET ROTORS AND PADS. *TR