STEERING WHEEL SHAKES INTERMITTENTLY THROUGHOUT EACH DAY FOR APPROXIMATELY THE PAST 50 DAYS AS OF MAY 20, 2011. SOMETIMES OCCURS WHEN CAR IS INITIALLY TURNED ON (SHAKES QUICKLY TO THE LEFT AND RIGHT AS IF A LITTLE CHILD WAS PLAYING WITH THE STEERING WHEEL). SHAKING WILL ALSO TAKE PLACE SPONTANEOUSLY WHILE DRIVING AT VARIOUS SPEEDS. ON MAY 10, 2011 PASSENGER SIDE POWER LOCKS BEGAN TO MALFUNCTION-WOULD NOT LOCK OR OPEN WHEN USING POWER BUTTON INSIDE CAR OR USING REMOTE. LOCKING AND UNLOCKING HAD TO BE DONE MANUALLY BY PULLING UP OR PUSHING DOWN LOCK.
2003
ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT CONTROLLER
ANTI-THEFT LIGHT FLASHING ON MY 2003 CHEVY MALIBU. *TR