2022 Kia Carnival Driver assistance Problems

When traveling on the highway, the vehicle would not shift into a higher gear limiting the control of the vehicle to accelerate to the flow of traffic. The transmission would not shift for approximately 1/4 of a mile and was stuck at a max speed of ~35 mph and it would not accelerate. This loss of control almost caused an accident and put my family and self at extreme risk. Eventually the vehicle did finally shift gears allowing us to accelerate with the flow of traffic (60mph) This issue with a delay in shifting gears has intermittently happened on prior occasion when accelerating from a full stop, however, this was the first time it happened at an accelerated speed. The vehicle is not safe to operate and was towed to a service center; however, the issue is intermittent and not easily reproducible -- making it even more dangerous as you do not know when it will happen next.

NHTSA ID

11680096

Incident

Aug 2, 2025

The contact owns a 2022 Kia Carnival. The contact stated that while the vehicle was parked, she noticed that the windshield was cracked from the passenger's side to the driver's side of the windshield. The vehicle was taken to an auto glass repair shop, where it was determined that the windshield needed to be replaced; however, the replacement windshield was not available. The windshield was replaced and was recalibrated after a month. The contact stated that after the repair, the Forward Collision Avoidance system was intermittently inoperable. Additionally, the contact stated that while the vehicle was parked on another occasion, she noticed that the windshield was cracked. The dealer and the manufacturer were not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 20,000.

NHTSA ID

11567490

Incident

Jan 15, 2023

Mileage

20,000 mi

Both situations have happened numerous times. The sliding doors do not stop or back off unless an adult size person pushes body force against them to open. My daughter got stuck in the door and she is 2.5. I have to push my entire body against the door to make it open back up. The second thing is the emergency braking system will automatically slam on the brakes after forcing for a long period of time, when I am on the highway. It happens on road trips after cruising for a while. And is not happening at an appropriate time.

NHTSA ID

11507176

Incident

Dec 5, 2022

Windshield crack without major incident. No debris or rocks noted hitting. Cracked all the way across the windshield within a week. Adaptive cruise control keeps failing. Says radar is being blocked, usually when attempting to start cruise but sometimes when cruise control is already set. When this happens, no cruise control is available until it seemingly randomly starts working again. Inspected all cameras and sensors for dirt/bugs and they are not blocked.

NHTSA ID

11487055

Incident

Jun 1, 2022

Car will not accelerate. Error code P211800. Engine control system. Throttle control. Temp outside was 19degrees F. Check engine light is on.

NHTSA ID

11456566

Incident

Mar 12, 2022

The throttle body froze up and the Van went into "limp mode". I was driving on a semi-busy road and I could not go above 10mph. It would not let me shift either. Like it was not getting any gas to let me accelerate. The check engine light was on, I used a scan reader and the code came as P2118. Also when it went to the dealership the check engine light was still on. It was inspected by the dealership, but only deleted it and it was given back to us. Yes, the first symptom was the idle was rough and the exhaust was making a deep noise. *Dealership wrote that it had high rpms*, which I never said that to them, I told them( dealership) that it was low rpms with the rough idle. I had it idle for 5 minutes so it could warm up since it was 15 degrees that night. This issue is not safe because I could get hit from behind because the van can not go faster or drive at the marked speed limit on city/highway roads. Also, having issues like this is not safe for my kids or other passengers in the Carnival. The dealership said it is from condensation getting into the throttle body. But I have never had this issue with any other car/truck I have owned.

NHTSA ID

11448472

Incident

Jan 7, 2022

Will not accelerate over 10 Mph in cold temp even after warming up vehicle. Will lose acceleration at a intersection and dangerous while taking a left turn. Check engine light goes on. Throttle bottle issue. Believe it is moisture/water in the throttle body causing it to freeze in colder temps. NEEDS TO BE RECALLED. Many many other Kia Carnivals having same issue. Model is brand new and should not be having these issues. FAMILY CAR.

NHTSA ID

11448401

Incident

Jan 15, 2022

Auto hold engaged on car and failed to hold car. Resulted in a crash to my front gate and damage to the car as well as gate. Would not brake when pumping on brake upon collision to front gate. Sensor is now malfunctioning and Kia is not taking responsibility. Most recently the front windshield has a crack that was not caused by anything. Car is parked and covered in my driveway.

NHTSA ID

11439291

Incident

Aug 27, 2021

We have had 3 instances where the forward collision warning system kicked in without another car in front of our van causing the breaks to engage, then disengage within a second or two. We have noticed that if stopped at a red light with another car in front of us, if the other car has rear sensors in their bumper, it will set off our system as well and it will make the warning sounds. More recently, our cluster warning light has come on and the message "Check Rear Cross Traffic Safety System" has appeared. After shutting the car off and on multiple times, this warning has not gone away.

NHTSA ID

11426021

Incident

Jul 22, 2021