There are 2 stored owner reports matching the speed control & cruise leading-label group for the 2003 Hyundai Sonata in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2003 HYUNDAI SONATA. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH, THE ACCELERATOR PEDAL BECAME STUCK IN A DEPRESSED POSITION. THE VEHICLE BEGAN TO RAPIDLY ACCELERATE UNTIL THE CONTACT SHIFTED INTO NEUTRAL AND WAS ABLE TO STOP THE VEHICLE. THE VEHICLE WAS TOWED TO AN INDEPENDENT REPAIR SHOP AND THE CONTACT WAS INFORMED THAT THE ACCELERATOR PEDAL CABLE WAS BROKEN. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 90,000.
DT: THE VEHICLE IS A 2003 HYUNDAI SONATA. THE CRUISE CONTROL WILL NOT HOLD. CONSUMER WILL SET IT FOR 70 MPH ON THE INTERSTATE, AND IT ALLOWED THE VEHICLE TO GO UP TO 85 MPH BEFORE THE CONSUMER NOTICED IT. THE SPEED INCREASED GRADUALLY, WHICH WAS WHY THE CONSUMER DID NOT NOTICE IT AT FIRST. THIS PROBLEM OCCURRED AT LEAST 6 TIMES, AND ALWAYS ON A LEVEL ROAD. IT HAPPENED IN VARIOUS CONDITIONS, AND AT A VARIETY OF SPEEDS. CONSUMER CONTACTED THE DEALER, WHO TOLD HIM HE WAS NOT ALLOWED TO REPLACE IT. WHEN CONTACTING THE MANUFACTURER, THEY TOLD HIM THAT THEY WOULD NOT REPLACE IT. THE DEALER TOLD THE CONSUMER THAT IT WAS NORMAL FOR THE CRUISE CONTROL TO BE OFF BY 5 MPH +/-. THE CONSUMER MECHANIC TO HIM THAT HIS VEHICLE'S CRUISE CONTROL WAS OFF BY 7 MPH BELOW THE SET SPEED. THE DEALER HAS NOT BEEN ABLE TO DUPLICATE THE PROBLEM, THEREFORE THEY HAVE BEEN UNABLE TO FIX IT. THIS WAS THE ONLY SAFETY ISSUE THE CONSUME HAS WITH THIS VEHICLE. *AK THE AIR BAG LIGHT ILLUMINATED AND THE CONSUMER HAD PROBLEMS WITH THE VEHICLE'S HEADLIGHT. THE DEALER REPAIRED BOTH PROBLEMS. *NM
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.