Unknown. My vehicle has cut off in the middle of traffic several times. Another incident was when my vehicle was shaking uncontrollably and couldn't go over 40. The check engine light never comes on. One dealership looked at it and said nothing was wrong even though one of the techs heard the vehicle. They said because the check engine light wasn't on that there was nothing that they could do. Took it to the kia dealership in Huntsville. They know something is wrong but because no check engine light or codes. They don't know where the problem is. My main issue is when something is wrong. No lights or codes show up. I haven't had it a year yet. Safety concerns with it cutting off in the middle of traffic.

- Florence, AL, USA

The contact's daughter owns a 2023 Kia Carnival. The contact stated that while driving 65-70 MPH, within 48 hours of purchasing the vehicle brand new, the vehicle lost motive power. Additionally, the brakes and power steering became inoperable. Several unknown warning lights illuminated, and alarms sounded. The contact was able to veer to the side of the road. The dealer was notified of the failure and informed the contact that it was a known failure, and that the manufacturer was working on a fix. The contact stated that the taillights also failed to work intermittently. The contact also stated that the reverse lights would engage unintendedly. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure and informed the contact that the failure was due to a system update error and that the fix was currently being developed. The failure mileage was approximately 100.

- Anderson, CA, USA