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10 complaints
KIA CARNIVAL HYBRID 2026 UNKNOWN OR OTHER
medium
While driving our 1 month old car we intermittently heard a loud clap sound, we assumed it was due to it being a hybrid vehicle. Well on Wednesday we were merging on to the freeway at approx 20 mph wh
NHTSAUSJul 2026Source →
KIA CARNIVAL HYBRID 2026 BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING
high
I am reporting an intermittent but serious safety issue with my Kia Carnival involving the backup camera system. Since approximately May 2026, the rear backup camera has failed more than 10 times. Wh
NHTSAUSJun 2026Source →
KIA CARNIVAL HYBRID 2026 FUEL/PROPULSION SYSTEM
medium
I had pickup my vehicle from the dealership where it had been since the 29th of May due to a previous incident exactly the same as what occurred this time. The vehicle had been returned to me as the
NHTSAUSJun 2026Source →
KIA CARNIVAL HYBRID 2026 UNKNOWN OR OTHER
high
We were driving on highway, approximately 2 miles from home, when we suddenly lost power to the drive train. Eventually it started moving again but after a short distance we again lost power to the d
NHTSAUSMay 2026Source →
KIA CARNIVAL HYBRID 2026 VEHICLE SPEED CONTROL
low
While driving a brand new Kia Carnival Hybrid (purchased yesterday), I experienced a severe, life-threatening powertrain acceleration lag from a rolling start. My children were in the car and this was
NHTSAUSMay 2026Source →
KIA CARNIVAL HYBRID 2026 VEHICLE SPEED CONTROL
medium
-A "Check Hybrid system. Stop safely. " warning has come on 7 times now. The vehicle loses power and slows down abruptly before coming to a complete halt. This has happened on railroad tracks, the hig
NHTSAUSApr 2026Source →
KIA CARNIVAL HYBRID 2026 FUEL/PROPULSION SYSTEM
medium
2026 Kia Carnival Hybrid – Purchased 9/5/2025 Mileage: 8,450 April 2026- While driving over 60 mph, the vehicle's acceleration failed. A "Hybrid Failure" warning appeared on the dashboard, and the
NHTSAUSApr 2026Source →
KIA CARNIVAL HYBRID 2026 VEHICLE SPEED CONTROL
low
Driving on freeway with the heater on, Cold weather, car had multiple issue messages (transmission control unit and adaptive cruise control) as well as a check engine light come on as the car went lim
NHTSAUSJan 2026Source →
KIA CARNIVAL HYBRID 2026 POWER TRAIN
low
Without presenting any errors, the vehicle appears to enter some sort of limp home mode which limits speed to 31mph until the vehicle is turned off and re-started. 31mph is well below the speed limit
NHTSAUSJan 2026Source →
KIA CARNIVAL HYBRID 2026 ENGINE
low
On the highway, the vehicle would not accelerate and was losing speed even though the gas pedal was fully depressed. Initially, the vehicle was in ECO drive mode, traveling approximately 65 mph and th
NHTSAUSNov 2025Source →