NHTSA Owner Complaint Log
This page lists owner-reported complaints filed with NHTSA for the 2009 Hyundai Sonata. Complaints are unverified consumer reports submitted to NHTSA and do not by themselves prove a defect or defect rate.
Data synced from NHTSA on May 4, 2026
LOUD NOISE OVER BUMPS. SOUNDS LIKE SOMETHING IS LOOSE. *TR
NEW CAR WAS DELIVERED TO ME WITH A MAJOR ENGINE OIL LEAK. COULD HAVE RESULTED IN ENGINE FAILURE AND LOSS OF CONTROL OF CAR. CAR HAS BEEN IN DEALERS GARAGE FOR 10 DAYS WITH NO REPAIR YET MADE. *TR
NEW CAR WAS DELIVERED TO ME WITH A MAJOR ENGINE OIL LEAK. COULD HAVE RESULTED IN ENGINE FAILURE AND LOSS OF CONTROL. ENGINE WAS REPLACED BUT HAS CAUSED POWER TRAIN VIBRATION AND STRONG ODOR WHEN THE ENGINE IS WARM. *TR
I BOUGHT A NEW 2009 HYUNDAI SONATA LIMITED- I TOOK IT THE HYUNDAI SERVICE IN YONKERS NY TO TEST DRIVE MY NEW CAR . IT SEEMED TO ME THE CAR HAD BAD FRONT SHOCKS ABSORBERS. AFTER BEING DRIVEN BY ONE OF THEIR SERVICE MEN HE AGREED THAT SOMETHING WAS VERY WRONG. I WAS TOLD TO BRING BACK THE CAR WHEN THE NEW SHOCKS ARRIVE. THE MANAGER AND HIS SERVICE MEN WERE VERY COURTEOUS TO ME AND HANDLED THE SITUATION VERY PROFESSIONALLY. UNTIL THE TIME THE NEW SHOCKS ARRIVE I WILL NOT USE THE CAR, BECAUSE I CONSIDER IT A DANGER ON THE ROAD. I'M HOPING THAT WILL BE THE ANSWER TO THE PROBLEM. *TR
2009 HYUNDAI SONATA ALL DOORS UNLOCK WHEN CAR IS PLACED IN PARK. THIS IS A MAJOR SAFETY DESIGN PROBLEM AND CANNOT BE DEACTIVATED OR CORRECTED BY DEALERS. THIS PROBLEM IS PUTTING ALL PASSENGERS AND DRIVERS AT RISK, WHEN CAR IS PLACED IN PARK ESPECIALLY ONCE THE CRIMINALS HERE ABOUT THIS DEFECT. HOW MANY CARS WILL BE HIJACKED AND OR ROBBERIES OCCUR BEFORE SOMEONE REALIZES THIS IS A MAJOR PROBLEM WITH THIS FEATURE!!! *TR
NEW 2009 HYUNDAI SONATA UNLOCKS ALL DOORS ANYTIME CAR IS PLACED IN PARK. THIS FEATURE IS IN THE DESIGN AND CANNOT BE DISABLED. THIS FEATURE PUTS ALL PASSENGERS AND DRIVES AT RISK ANYTIME THE CAR IS STOPPED AND PLACED IN PARK, ESPECIALLY ONCE THE CRIMINALS FIND THIS OUT *TR
SATELLITE/FM/AM DIGITAL RADIO DOES NOT FUNCTION PROPERLY. RADIO HAS BEEN REPLACED AND ALL CONNECTIONS CHECKED. SATELLITE WORKS FINE, FM ONLY WORKS WITH STRONG SIGNALS AROUND AND THE AM DOES NOT WORK AT ALL. CAR DEALER DOES NOT HAVE ANY SOLUTION AND ONLY SAYS THAT THE PROBLEM SHOULD WORK IT SELF OUT ONCE THE ALL DIGITAL SIGNAL ARE UTILIZED. DEALER SAYS AN NON-DIGITAL RADIO CANNOT BE INSTALLED. *TR
MY 2007 SONATA INVOLVED IN 2008 SIDE IMPACT; OVER $10000.00 IN DAMAGE; DRIVERS SIDE AND FEBRUARY 5, 2012 MY 2009 SONATA INVOLVED IN SIDE IMPACT AT 45 MPH OVER $10000.00 DAMAGE; DRIVERS SIDE. BOTH ACCIDENTS INVOLVED REPLACING BOTH DRIVERS SIDE DOORS AND REAR QUARTER PANELS. IN BOTH CASES THE SIDE AIRBAGS DID NOT DEPLOY. HYUNDAI SAID CAR NOT HIT HARD ENOUGH. THE LATEST CRASH INJURED BOTH MYSELF AND MY DAUGHTER. BOTH CRASHES SHOWED THE DRIVERS SIDE DOORS INTRUSION OF ABOUT 8 INCHES TO THE PASSENGER COMPARTMENT. *TR
2009 HYUNDAI SONATA SOUNDS LIKE IT NEEDS NEW SHOCKS/STRUTS RIGHT OFF THE LOT CAR HAS LESS THAN 300 MILES ON IT WENT TO DEALER THE SERVICE TECH SAID MANY HAD COMPLAINED ABOUT THE SAME THING BUT NO FIX HE TOLD ME TO COMPLAIN TO HYUNDAI CALLED AND THEY SAID SORRY THAT'S THE WAY THEY ARE THAT ITS OPERATING AS DESIGNED THIS WILL BE MY LAST HYUNDAI. *TR