What 157 owners told NHTSA about the 2016 Hyundai Sonata Plug-in

HEV WARNING TURN OFF ENGINE SIGN WHILE DRIVING ON THE INTERSTATE MY CAR LOST POWER AND THE CAR BEHIND ME HAD TO SUDDENLY MOVE OVER THIS IS VERY UNSAFE WHILE DRIVING DOWN THE INTERSTATE

NHTSA ODI 11551358

TL* THE CONTACT OWNS A 2016 HYUNDAI SONATA HYBRID. WHILE DRIVING APPROXIMATELY 25 MPH, THE SIDE COLLISION AVOIDANCE WARNING INDICATOR ILLUMINATED. DURING THE FAILURE, THE AUTOMATIC BRAKING SYSTEM ACTIVATED AND ABRUPTLY STOPPED THE VEHICLE. ON A SECOND OCCASION, WHILE DRIVING APPROXIMATELY 68 MPH ON THE HIGHWAY WITH NO VEHICLE CLOSE BY, THE BRAKES APPLIED ABRUPTLY. THE VEHICLE WAS TAKEN TO JOSEPH AIRPORT HYUNDAI (1220 W NATIONAL RD, VANDALIA, OH 45377, (937) 665-1777) WHERE IT WAS DIAGNOSED THAT THE COLLISION AVOIDANCE WARNING CONTROL MODULE NEEDED TO BE REPLACED. THE FAILURE RECURRED THREE TIMES. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 32,000. THE VIN WAS NOT AVAILABLE.

NHTSA ODI 11203433

TL* THE CONTACT OWNS A 2016 HYUNDAI SONATA HYBRID. WHILE DRIVING 65 MPH, THE ANTI-COLLISION SYSTEM ACTIVATED WITHOUT ANY OBSTACLES NEAR THE VEHICLE. AN ALARM SOUNDED, AN INDICATOR ON THE INSTRUMENT PANEL DISPLAYED, AND THE BRAKES ENGAGED INDEPENDENTLY. THE FAILURE RECURRED ONCE MORE. THE VEHICLE WAS TAKEN TO BOUCHER HYUNDAI OF JANESVILLE (2009 MILTON AVE, JANESVILLE, WI 53545), BUT THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND ADVISED THE CONTACT TO TAKE THE VEHICLE BACK TO THE DEALER. THE APPROXIMATE FAILURE MILEAGE WAS 17,000. UPDATED 09/01/17*LJ *JS

NHTSA ODI 11006566