On 6-9-25, for the second time in the 10 weeks that I have owned my new 2025 KIA Carnival it has failed to accelerate beyond 30 MPH after pulling away from a traffic light. The vehicle displayed a warning that The Speed Limit Was 30 MPH and would not accelerate beyond that speed. The speed limit was not 30 MPH. I was able to pull onto a side street and take a photo of the warning, I took the vehicle and the photo to Boniface-Hiers KIA on 6-10-25. The dealership was not able to determine the problem but thought it could have some connection with the cruise control system. Once again I was lucky not to be rear ended by the car behind me.
2025 Kia Carnival engine complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
On April 22, 2025 my Kia Carnival Ex would not accelerate more than 30 mph after pulling away from a traffic light. A warning appeared on the dash display saying The Speed Limit Was 30 mph and the Kia Carnival would not go beyond 30 mph. The Speed limit was Not 30 mph. I took the vehicle to the Boniface-Hiers Kia dealership on April 24, 2025. They could not find a problem but did re-set the computer for the transmission. I was very fortunate not to have been rear ended by another vehicle.
I'm getting an alert in the car app that says low battery and will not perform any lock/unlock/start, etc features. It says the battery level is under 40%.
Started about a couple weeks ago. Just bought my car and my battery drained 3 nights in a row. Had to jump start it Found out some fan run, when car is off, hours after it has been parked.
After a week of owning the car the battery died over night. Was jumped by roadside and died later that day and jumped again. After the 2nd jump, the AC and air bags didn’t work. Then the check engine light came on. Kia has had my brand new carnival since July 26 with no fix.
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