INTERMITTENT VERY HARD UP SHIFTS (INCLUDING CHANGES FROM PARK-DRIVE ETC), CRUISE FLYS OFF AND STOPS WORKING WHILE GOING DOWN ROAD, SPEEDOMETER STOPS WORKING AND FLICKERS RANDOMLY, CAR FLASHES "POWER STEERING" ON RADIO PANEL AND "ERROR" ON ODOMETER READ, HARD TURNING, CAR LOSES POWER AS IT REVS TO REALIZE IT NEEDS TO SHIFT (AUTOMATIC TRANSMISSION) INITIALLY, RESTARTING CAR WOULD HELP FOR AWHILE, BUT NOW THE PROBLEM IS CONSISTENT. GM DEALERSHIP COULD NOT DIAGNOSE PROBLEM AND THOUGHT IT WAS LOOSE WIRING. AFTER NOT BEING ABLE TO TRACE THE COMMUNICATION ERRORS THE DEALERSHIP SIMPLY GAVE IT BACK WITH NO FIX OR ANSWERS. MAJOR ISSUE CONSIDERING THE CAR HAS ONLY 36500 MILES TO DATE WITH AN ISSUE CLEARLY OTHER PONTIAC G6 OWNERS HAVE HAD TO DEAL WITH AS WELL. THE INCONSISTENT ISSUE HAS CONTRIBUTED TO A RECENT CAR ACCIDENT. *TR