There are 2 owner-reported brakes complaints for the 2017 Kia Niroin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
DURING EMERGENCY BRAKING THE CAR SKIDS LIKE THE ANTI-LOCK BRAKES ARE NOT WORKING. THIS HAS RESULTED IN THE CAR GOING INTO A SIDEWAYS SKID. I ENCOUNTERED THIS NUMEROUS TIMES IN SLIGHTLY WET/SLICK ROAD CONDITIONS WHEN PANIC BRAKING FROM ~35 MPH.
WARNING LIGHTS CAME ON INDICATING AN ISSUE WITH THE REGENERATIVE BRAKING SYSTEM. FURTHER INSPECTION FOUND THE RIGHT REAR FLEXIBLE BRAKE LINE LOOSE WHERE IT ATTACHES TO THE HARD LINE. I TIGHTENED THE FITTING ADDED APPROXIMATELY 6OZ OF BRAKE FLUID TO THE RESERVOIR AND LEAK CHECKED THE SYSTEM UNDER PRESSURE. I WOULD CONSIDER THIS TO BE A SERIOUS QUALITY ASSURANCE FACTORY ESCAPE WHICH COULD HAVE CREATED AN EXTREMELY DANGEROUS SITUATION.
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 May 4, 2026