Brakes went completely out while driving, absolutely terrifying. Pedal went straight to the floor and wouldn't stop. I had to manually downshift until it was under 5 mph and then it would barely stop.
- NHTSA ID
- 11655571
- Incident
- Feb 27, 2025
Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Our database holds 88 NHTSA owner-reported complaints for the 2010 Hyundai Genesis. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Showing 1–25 of 88 · page 1 of 4
Brakes went completely out while driving, absolutely terrifying. Pedal went straight to the floor and wouldn't stop. I had to manually downshift until it was under 5 mph and then it would barely stop.
Electrical Battery Draining Replaced Battery In Oct 2023 Within 1 to 3 Weeks No Power Battery Dead . Cannot Find What Is Drawing Power That Is Draining The Battery.
While driving, throttle stuck wide open. It was like I was flooring the gas pedal. I managed to pull over and stop vehicle. I restarted and was able to drive home.
The contact owns a 2010 Hyundai Genesis. The contact's wife stated that while driving approximately 35 MPH, the air bag warning light illuminated. The contact stated that he noticed that prior to the warning light being illuminated, a tear that had formed under the "SRS Air Bag" badge on the passenger’s side. The contact stated that the air bag warning light continually remained illuminated. The vehicle had not been taken to a dealer or independent mechanic to be diagnosed or repaired. The contact researched online and related the failure to NHTSA Campaign Number: 16V722000 (Air Bags). The manufacturer had not been informed of the failure. The failure mileage was approximately 196,000.
The contact owns a 2010 Hyundai Genesis. The contact stated that after parking and exiting the vehicle, moments later after returning to the vehicle it was discovered that the driver’s and passenger’s side headrest restraint had deployed. The cause of the failure was not determined. The local dealer was notified of the failure and indicated that the headrest needed to be replaced but no further assistance was offered. The manufacturer was not yet contacted. The failure mileage was 125,000
While attempting to brake on exit ramp off an interstate highway, the brake pedal was depressed almost to the floorboard with minimal slowing. The brakes were pumped several times with slowing vehicle speed. Fortunately, the exit ramp was long enough to allow a safe stop. Pedal remains soft and spongy. No warning lights are on. Brakes functioned normally until this incident at 138,200 miles. However, master cylinder was replaced at 102,000 miles for a similar problem at an independent auto shop. I am awaiting a dealer repair time. [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
The contact owns a 2010 Hyundai Genesis. The contact stated that the electronic braking system (EBS) warning light was illuminated. The contact stated that he attempted to activate the parking brake however, the parking brake failed to engage. The contact took the vehicle to the local dealer to be diagnosed and was informed that the Electronic Parking Brake (EPB) module needed to be replaced. The vehicle was not yet repaired. The manufacturer had not been informed of the failure. The failure mileage was 23,763.
VEHICLE SUDDENLY LOSES ACCELERATION AND DROPS TO A MAXIMUM SPEED OF 20 MPH. CHECK ENGINE LIGHT TURNS ON BUT GOES AWAY AFTER SHUTTING DOWN THE CAR AND LEAVING IT ON STANDBY FOR A FEW MINUTES. OCCURS EVERY FEW HUNDREDS MILES. IT'S HAPPENED WHILE THE CAR IS IN MOTION, BOTH ON THE STREET AND HIGHWAY.
BRAKE PEDAL SUDDENLY BECOMES SOFT. FRONT BRAKE PADS WERE REPLACED 10/15/19. PROBLEM CORRECTED FOR THREE MONTH. PEDAL SUDDENLY VERY SOFT WITHOUT WARNING. CAR WILL STOP BUT NOT AS EXPECTED. DANGEROUS IF NOT ANTICIPATED. DIAGNOSED AS HYDRAULIC CONTROL MODULE. ESTIMATED COST TO REPAIR $3800.
WHILE DRIVING MY GENESIS 2010 SEDAN, THE BATTERY LIGHT ILLUMINATED, THEN THE POWER STEERING DID NOT RESPOND. I WAS ABOUT 1/2 MILES FROM MY HOUSE AND I HAD TO WRESTLE WITH MY STEERING WHEEL UNTIL I GOT HOME. THE SCARY PART WAS THAT I UNEXPECTEDLY LOST POWER STEERING DURING A TURN AT THE TRAFFIC LIGHT. LUCKILY, NO ON COMING TRAFFIC WAS NEAR AS I COMPLETED THE TURN ON THE OPPOSITE SLIDE OF THE STREET. I FORTUNATELY ARRIVE HOME, PARKED THE VEHICLE AND HAD IT TOWED TO THE MECHANICS. I LEARNED THAT THE ALTERNATOR WENT OUT AND SO DID THE BATTERY. LUCKLY, DURING THE TURN I DID NOT CRASH, BUT IT WAS VERY NERVOUS THE REST OF THE WAY.
I WAS DRIVING IN A GROCERY STORE PARKING LOT AND WENT OVER A SPEED BUMP AT MAYBE 2 MILES AN HOUR AND BOTH MY FRONT HEADREST DISCHARGED.
CAR SEEMS TO HAVE ELECTRICAL ISSUES IT JUST SHUTS OFF ETC JUST FOUND OUT I PURCHASED A LEMON ODOMETER ROLLBACK
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. WHILE ATTEMPTING TO ACCELERATE FROM A STOP LIGHT, THE VEHICLE WENT INTO IDLE MODE. AFTER THE THIRD ATTEMPT OF DEPRESSING THE ACCELERATOR PEDAL, THE VEHICLE ACCELERATED RAPIDLY. THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO ROUND ROCK AUTO GROUP (2301 N INTERSTATE 35, FRONTAGE RD #300, ROUND ROCK, TX, 78664 855 996-3127) WHERE THE PEDAL ASSEMBLY DASH ACCELERATOR WAS REPLACED, BUT THE FAILURE RECURRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 48,031. *TR..*BF *DT*JB
HEADIGHTS TURN OFF FOR SEVERAL SECONDS WHILE DRIVING THEN COME ON AGAIN EVENTUALLY. BOTH HEADLAMPS GO OFF TOGETHER. HEADLIGHT SWITCH IN MANUAL ON POSITION, NOT THE AUTO ON/OFF POSITION WHICH I DO NOT USE.
HELLO NHTSA ADMINISTRATOR, I BOUGHT A NEW HYUNDAI GENESIS IN MARCH 2010. AROUND AUGUST 2010, I HAD A SMALL FENDER BENDER IN THE PARKING LOT. TO KEEP WARRANTY INTACT ON THE CAR, HYUNDAI INSISTED THAT THE WIRING HARNESS ON THE CAR BE REPLACED, WHICH I DID FOR APPROXIMATELY $5000. SINCE THEN, I HAVE HAD MULTIPLE ELECTRONIC ITEMS GO BAD IN THE CAR. I REPLACED SOME OF THESE AT MY OWN EXPENSE. BUT THE PROBLEM HAS GOTTEN WORSE WITH SOME EXPENSIVE ELECTRONIC COMPONENTS GOING BAD OVER THE LAST 2 YEARS. IN NORMAL CIRCUMSTANCES, THESE COMPONENTS SHOULD NOT GO BAD OVER THE LIFE OF THE CAR, AND CERTAINLY NOT AT A FREQUENCY THAT THEY HAVE FAILED IN MY CAR. I ATTRIBUTE THESE FAILURES TO BAD/DEFECTIVE JOB DONE DURING WIRING HARNESS REPLACEMENT. BUT HYUNDAI HAS REFUSED TO ACCEPT RESPONSIBILITY SINCE THE CAR IS OUT OF WARRANTY. BELOW IS A LIST OF THE BAD COMPONENTS, APPROXIMATE DATE OF THE COMPONENT GOING BAD, WHETHER IT IS REPLACED/FIXED AND APPROXIMATE EXPENSE TO FIX THEM 1. TELESCOPIC STEERING WHEEL--2015--REPAIRED AS PART OF WARRANTY 2. POWER SWITCH ASSEMBLY DRIVER'S SEAT--JAN 2016--$236.19--PAID OUT-OF-POCKET TO GET IT REPLACED 3. JOG DIAL ASSEMBLY--OCT 2016--$1031.70--PAID OUT-OF-POCKET TO GET IT REPLACED 4. FRONT CABIN DOME LIGHT ASSEMBLY--FEB 2017--$376.91--PAID OUT-OF-POCKET TO GET IT REPLACED 5. SMART CRUISE CONTROL--MAR 2017--NOT REPLACED--DEALERSHIP GAVE ME A QUOTE OF ~$4500 TO REPLACE 6. PASSENGER CABIN DOME LIGHT ASSEMBLY--AUG 2017--NOT REPLACED--$4500 ESTIMATE TO REPLACE 7. MULTI DISC CD PLAYER--FEB 2018--NOT REPLACED--$1000 ESTIMATE TO REPLACE I WOULD LIKE NHTSA TO INVESTIGATE HYUNDAI FOR THIS MATTER AND FORCE THEM TO PAY FOR REPAIRS. AS A CONSUMER, I FEED CHEATED AND BEING FORCED TO DOUBLE PAY FOR REPAIRS - ONCE FOR THE WIRING HARNESS REPLACEMENT AND NOW FOR ALL PROBLEMS ATTRIBUTED TO IT. SINCERELY, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
HEADLIGHTS FLASH WHEN SWITCHING FROM "AUTO" TO "ON" POSITION. OCCASIONALLY THE HEADLIGHTS IN THE "ON" POSITON WILL BLACKOUT FOR 2-5 SECONDS UNTIL HEADLIGHT STALK IS GIGGLED. THERE IS AN ELECTRICAL "NOISE" (LIKE A SHORT CIRCUIT SOUND...A "POP") WHEN SWITCHING FROM AUTO TO ON. THE TURN SIGNALS ALSO SEEM TO TRIGGER THE "SHORT CIRCUIT". ALL OF THESE CONDITIONS CAN OCCUR MOVING OR STANDING STILL.ON ANY TYPE OF ROADWAY.
ENGINE CRANKS NORMALLY ATTEMPTING TO START. WHEN FAILED TO START, THE 'START' BUTTON IS PUSHED TO STOP THE ATTEMPT. TRIED AGAIN. TOOK 3 ATTEMPTS TO FINALLY START. ONCE STARTED THE ENGINE REVS AT HIGH RPM'S. WHEN PUT IN 'D' THE CAR LURCHES AND ACCELERATES WITHOUT PUSHING GAS PEDAL. IF THE CAR IS TURNED OFF AFTER STARTING AND RESTARTED, FAST ACCELERATION IS ELIMINATED. CAR HAS ULTIMATELY STARTED, BUT THE FEAR IS IT WILL GET WORSE AND ULTIMATELY FAIL TO START STRANDING THE DRIVER. CAR RUNS PERFECTLY IN NORMAL DRIVING ON THE HIGHWAY. THIS HAS OCCURRED ALMOST DAILY FOR 90 DAYS. HYUNDAI SERVICE: TAKEN TO HYUNDAI ON TWO OCCASIONS. THEY SAY THEY COULD NOT DUPLICATE PROBLEM AND NO COMPUTER ERROR CODES GENERATED. STUMPED! CAN DO NOTHING IF PROBLEM CAN'T BE DUPLICATED BY SERVICE TECH! KEEPING QUIET? NEW CONDITION 4/26/18! CAR HAS SHUT DOWN TWICE AT A STOP LIGHT, 4/26 AND 4/29. FEAR OF SHUTTING DOWN WHILE IN TRAFFIC AS REPORTED IN USER FORUMS. HYUNDAI USER FORUMS: DOZENS OF OWNERS DISCLOSE THAT THE PROBLEM IS WIDESPREAD ACROSS YEARS AND MODELS. REPORT THAT HYUNDAI DENIES THERE IS AN ISSUE WITH PROBLEMATIC STARTING AND STALLING AT LOW SPEEDS AND HIGH SPEEDS! OWNERS REPORT FEAR OF SERIOUS ACCIDENT IF THE CAR STALLS ON THE HIGHWAY, ENTERING TRAFFIC OR MAKING TURNS ACROSS TRAFFIC.
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. THE CONTACT STATED THAT THE BRAKE LIGHTS FAILED TO ILLUMINATE. A DEALER HAD NOT DIAGNOSED THE VEHICLE. THE MANUFACTURER INDICATED THAT THE VEHICLE WAS SERVICED PER AN UNKNOWN RECALL CAMPAIGN IN 2014 AND 2016; HOWEVER, THE FAILURE PERSISTED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V113000 (SERVICE BRAKES, HYDRAULIC, EXTERIOR LIGHTING). THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 102,000.
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. THE CONTACT HAD TO DEPRESS THE BRAKE PEDAL EXCESSIVELY IN ORDER TO STOP THE VEHICLE. THE FAILURE OCCURRED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO SUBURBAN HYUNDAI (1814 MAPLELAWN DR, TROY, MI) WHERE IT WAS DIAGNOSED THAT THE MASTER CYLINDER WAS DEFECTIVE AND NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND DID NOT ASSIST SINCE THE MASTER CYLINDER WAS NOT PART OF A RECALL. THE FAILURE MILEAGE WAS APPROXIMATELY 50,000.
BRAKE PEDAL ONE 2 OCCASIONS WHILE APPLYING THE BRAKE WENT ALL THE WAY TO THE FLOOR WITH VERY DIMINISHED STOPPING POWER THE FIRST TIME WAS ON THE HIGHWAY A FEW MONTHS AGO AND THE SECOND TIME THIS HAPPENED WAS DECEMBER 31 2017 I DROVE THE CAR HOME AND DID NOT DRIVE IT TILL TUESDAY, JAN 2ND, 2018 WHEN IT DROVE IT SLOWLY TO THE DEALER ON THE WAY THERE THE PEDAL GOT FIRMER BUT STILL SPONGY NOT NORMAL THE DEALER CAN'T FIND THE PROBLEM AND WILL NOT HELP ME I'M AFRAID TO DRIVE THE CAR
THERE IS A SPLIT ACROSS MY DASH WERE THE AIR BIG IS I CALL THE MAIN OFFICE AND I WAS TOLD THAT THEY WILL NOT FIX IT.MY CONCERN IS MY FAMILY SAFETY
BACKGROUND: AM ORIGINAL OWNER OF THIS 2010 HYUNDAI GENESIS THAT WAS PURCHASED JULY 31, 2010 AND THAT CURRENTLY HAS LESS THAN 35,000 MILES ON IT. ISSUE: UNEXPECTEDLY, THE BRAKES BECAME "SQUISHY" (I.E. BRAKE PEDAL DEPRESSED A LONG DISTANCE BEFORE ENGAGING BRAKES). ADVISED BY HYUNDAI DEALER THAT IT IS A FAULTY HECU UNIT AND NEEDS TO BE REPLACED FOR $3,800. NOTE: THE BRAKE FLUID WAS REPLACED IN APRIL 2013 AND THE HECU UNIT WAS SUPPOSEDLY INSPECTED IN JANUARY 2014. I BELIEVE THESE WERE DONE IN RESPONSE TO PRIOR RECALLS. THAT SAID, UPON SOME FURTHER READING ON THE INTERNET, I AM UNDER THE IMPRESSION THAT WHEN THIS PROBLEM WAS PREVIOUSLY IDENTIFIED FOR RECALL, THE RECALL SHOULD HAVE RESULTED IN MY HECU UNIT BEING REPLACED, NOT JUST INSPECTED. I INTEND TO RAISE THIS ISSUE WITH THE HYUNDAI DEALER AND, HOPEFULLY, HYUNDAI WILL STAND BEHIND THE REPLACEMENT OF THE HECU UNIT WITHOUT CHARGING ME.
THE TMPS LIGHT WILL NOT GO OFF. WEST BROAD HYUNDAI DEALERSHIP IN RICHMOND, VA. WANTS TO CHARGE ME TO FIX THE PROBLEM BUT NOT KNOWING WHY IT'S HAPPENING. THEY HAVE RESET IT BU TIT KEEPS COMING BACK ON.
THE AIR BAG SENSOR INDICATOR IS ON AND IT WON'T GO OFF. THE DEALERSHIP AT HYUNDAI WEST BROAD ST IS TELLING ME THAT IT NEEDS A PODS ECU, WHICH COST 3,000.00 AND I TOLD THEM THEIR IS A RECALL ON THE GENESIS COUPE/2010 FOR THE SAME ISSUE AND WHY ISN'T THIS COVER BY HYUNDAI FOR THE GENESIS SEDAN? THEY WILL NOT ACKNOWLEDGE THIS NOR WILL THEY CALL HYUNDAI AND ASK WHY ISN'T THIS SAME DEFECT COVER FOR THE SEDAN JUST LIKE IT IS FOR THE GENESIS COUPE? WEST BROAD HYUNDAI DEALERSHIP IN RICHMOND, VA. WANTS TO CHARGED ME $3,500.00 TO FIX THIS PROBLEM ON MY CAR SO IT WILL PASS STATE INSPECTION.
PARTIAL LOSS OF BRAKING - WHILE TRAVELING DOWN THE HIGHWAY AT 45 MPH THE VEHICLES IN FRONT OF ME ABRUPTLY SLOWED DOWN REQUIRING ME TO QUICKLY APPLY MY BRAKES. UPON APPLICATION OF MY BRAKES, I STARTED TO SLOW DOWN AND THEN THE BRAKE PEDAL SUDDENLY RELEASED, PROVIDING LIMITED BRAKING. I CONTINUED TO PUSH THE BRAKE PEDAL TOWARDS THE FLOOR AND THE VEHICLE CAME TO A STOP BUT IT REQUIRED A LONGER STOPPING DISTANCE THAN NORMAL.*BF UPDATED 9/28/18*JB
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
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