I WAS TRAVELING AT AROUND 25MPH ON BROADWAY STREET IN SAN FRANCISCO WHEN ALL OF A SUDDEN I FELT MY CAR START TO SWERVE ON IT'S OWN. I STEERED TO CORRECT IT BUT MY STEERING WHEEL WAS COMPLETELY DISCONNECTED IT FELT LIKE. ALL I COULD DO WAS HIT MY BRAKES AS QUICKLY AS I COULD BUT I ENDED UP CRASHING INTO A PARKED VEHICLE. MY STEERING WHEEL HAD NO WEIGHT AND TURNED FREELY WHILE THE FRONT WHEELS HAD NO MOVEMENT WHATSOEVER. I COULDN'T EVEN REVERSE SO HAD TO WAIT FOR THE TOW TRUCK TO COME AND PULL ME AWAY FROM THE VEHICLE I COLLIDED WITH. I CALLED INFINITI AND THEY SAID THEY WILL NOT INVESTIGATE THIS SINCE I BOUGHT THE CAR USED, THE MILEAGE AND IT WAS PREVIOUSLY IN A FRONT END COLLISION IN 2013. HOWEVER, THIS SHOULD NOT HAPPEN AS THERE IS NO REQUIRED OR RECOMMENDED MAINTENANCE FOR STEERING. I WAS LUCKY THAT THIS DIDN'T HAPPEN ON THE FREEWAY OR THE CAR DIDN'T SWERVE INTO ONCOMING TRAFFIC. THIS IS A HUGE SAFETY ISSUE AND I BELIEVE INFINITI/ NISSAN SHOULD FURTHER INVESTIGATE THIS BEFORE SOMEONE IS KILLED.