TL*THE CONTACT OWNS A 2004 AUDI A4. WHILE TURNING A CORNER AT 45 MPH, THE CONTACT HAD TO APPLY THE BRAKES IMMEDIATELY TO AVOID STRIKING ANOTHER VEHICLE. AS A RESULT, HE REAR ENDED ANOTHER VEHICLE. THE PASSENGER SIDE AIR BAG FAILED TO DEPLOY. THERE WERE NO INJURIES. PRIOR TO THE FAILURE, THE CONTACT NOTICED FAILURE WITH THE VEHICLE'S ELECTRICAL SYSTEM. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALER. THE CURRENT AND FAILURE MILEAGES WERE 56,000.