WHILE DRIVING AT HIGHWAY SPEEDS, BUMP OR LIGHT APPLICATION OF BRAKES DURING SLIGHT TURN CAUSES STEERING WHEEL TO SHUDDER VIOLENTLY. STEERING WILL NOT STOP SHAKING UNTIL SPEED IS REDUCED, WHICH ON THE LAST OCCASION, RESULTED IN NEAR MISS ON FREEWAY DURING RUSH HOUR TRAFFIC. VEHICLE WAS PREVIOUSLY USED ON CITY STREETS ONLY AND ISSUE WAS OBSERVED ON A COUPLE OF OCCASIONS, BUT FREQUENCY AND SEVERITY INCREASES DRAMATICALLY AT FREEWAY SPEEDS. ALTHOUGH VEHICLE ONLY HAS 17,699 MILES, IT IS 2 MONTHS OUT OF 36MO WARRANTY. DEALERSHIP AND CHRYSLER CUSTOMER SERVICE REFUSED TO ASSIST WITHOUT CUSTOMER PAY DIAGNOSTIC OR CUSTOMER PAY REPAIR. THE CONDITION IS INTERMITTENT AND THE LAST TIME IT OCCURRED WITH MY WIFE DRIVING, SHE HAD TO VEER OFF THE ROAD ACROSS SEVERAL LANES OF FREEWAY TRAFFIC, ALMOST CAUSING AN ACCIDENT. SHE SUFFERED A SLIGHT SPRAIN OF HER WRIST. *TR