TL* THE CONTACT OWNS A 2013 NISSAN ALTIMA. WHILE DRIVING APPROXIMATELY 30 MPH, THE TRANSMISSION SHIFTED FROM DRIVE INTO THE NEUTRAL POSITION INDEPENDENTLY AND AN ABNORMAL NOISE EMITTED. THE VEHICLE WAS TOWED TO THE DEALER, BUT THE MECHANIC WAS UNABLE TO DUPLICATE OR LOCATE THE FAILURE. THE CONTACT EXPERIENCED MULTIPLE UNRELATED FAILURES WITH THE VEHICLE THAT INCLUDED THE EXTERIOR DOOR FAILING TO UNLOCK OR LOCK WITH THE KEY FOB UNTIL AFTER SEVERAL ATTEMPTS. A BURNING ODOR EMITTED FROM THE AIR VENTS WHEN THE AIR CONDITIONER OR HEATER WAS ACTIVATED. THERE WERE NO FLAMES PRESENT. ALSO, THE BRAKES SQUEAKED INTERMITTENTLY WHEN DEPRESSED. THE CONTACT STATED THERE WAS CONCERN REGARDING A POTENTIAL HEALTH HAZARD WITH THE PUSH BUTTON STARTER CAUSING CANCER. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 10,600.