WHEN DRIVING AFTER EVERY ATTEMPT TO MAKE A LEFT TURN,MY SERVICE TRACTION CONTROL,SERVICE BRAKE ASSIST, & ABS LIGHT ALL POP ON. SINCE THEN IT HAS WENT ON AND OFF FOR MANY DAYS UNTIL IT JUST FINALLY STAYED ON PERMANENTLY. ALSO MESSAGE: "STABILITRAK SERVICE AND TRACTION CONTROL , BRAKE ASSIST " FINALLY TOOK IT TO A CHEVY DEALERSHIP IN CULVER CITY,CA IN MAY 2013 & WAS TOLD THEY TESTED THE FRONT ABS CONNECTOR AND TRACTION AND FOUND NOTHING WRONG AND NO CODE ERRORS. RESET THE SENSORS ANYWAYS AND ADJUSTED THE TIMING. AS SOON AS I DROVE OUT THE DEALER,SAME ERROR MESSAGES AND LIGHTS RETURNED. TOOK CAR AGAIN TO SAME DEALER &WASTOLD "I MUST HAVE DROVE THROUGH WATER OR OILY SURFACE AND LIGHTS WOULD GO OFF AFTER I DROVE 20 OR SO MILES".LIGHTS & ERRORS DID NOT GO AWAY.RETURNED TO THE SAME DEALER AGAIN,THIS TIME AGAIN FOUND NO ERRORS BUT THEY PROCEED TO REPLACE THE TIRE SENSORS AND RESET THE SENSOR ID. LIGHTS&CODES WENT OFF FOR ABOUT A WEEK THEN RETURNED WITH A GRINDING NOISE WHEN LEFT TURN, LOOSE ENGINE POWER &STEERING POWER, LIGHT &CODES CONTINUE TO STAY ON,& STALLS FOR A FEW SECONDS WHEN LEFT TURN. I HAVE BEEN AT A LIGHT IN THE MIDDLE OF MAKING A TURN WHEN THE CAR WILL STALL & NOT LET ME TAKE OFF.BRAKES APPEAR TO LOCK UP.JUST MISSED A FEW CAR ACCIDENTS DUE TO STALL. HAS LEFT ME IN DANGEROUS SITUATIONS AS I HAVE ALMOST BEEN HIT HEAD ON & WAS HIT FROM BEHIND BECAUSE I COULD NOT ACCELERATE AND GOT STUCK ON THE TURN. CANNOT ACCELERATE IN A TIMELY FASHION IS A HUGE PROBLEM. BECAUSE THE DEALE