There are 1 owner-reported speed control & cruise complaints for the 2004 Kia Rioin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DT*: THE CONTACT STATED THE ACCELERATOR PEDAL STUCK. THE PROBLEM OCCURRED MULTIPLE TIMES WHILE THE ACCELERATOR WAS PRESSED DOWN FOR A DISTANCE. THE LEVER THAT IS ATTACHED TO THE HOUSING BLOCK WAS MANUALLY PUSHED BACK. THE VEHICLE WAS INSPECTED BY A DEALERSHIP WHICH DETERMINED THE HOUSING UNIT NEEDED TO BE REPLACED. THE PARTS FOR REPLACEMENT WERE NOT AVAILABLE.
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.
Data synced from NHTSA on Apr 26, 2026