Difficulty accelerating in congested stop-and-go traffic and/or when pulling out from a stop sign or traffic light. It's as if the car does not get any gas, and then it lunges forward. We were on a four-week cross-country trip and felt very unsafe. Four dealerships have not been able to duplicate the problem or diagnose or repair it.

- Catlett, VA, USA

The ac leaks onto the floor after an hour of highway driving. I would not notice if I did not have rubber floormats.

- Grafton, OH, USA

Side lane warning system detects a vehicle when there is no vehicle there. Apple carplay system causes an extreme echo on remote phone, therefore hands free car phone is not possible. It is dangerous to have to disconnect the phone from the usb cord and call people manually.

- Wheatley Heights, NY, USA

After 650 miles: Merging onto a highway: Engine rattled. Engine died. We coasted to the shoulder. We stopped. I put the vehicle in park. Smoke was coming from under the hood. Looking underneath, we saw the car was on fire. Initially the fire was under the engine. We got away from the car and called 911. The fire department came and put it out. By this point it burned the front 2/3 of the car. The car got towed to an automotive towing place.

- Pepperell, MA, USA

The collision warning and autonomous emergency braking systems on this vehicle are totally inoperative and have been since vehicle delivery. Vehicle now has about 1800 miles on it. It has been to two dealers for repair and both say their tests do not indicate any failure

- Elmhurst, IL, USA

Sunroof spontaneously imploded while driving at slow speed on neighborhood street. A brief internet search has indicated that this is not an isolated incident on Sorentos and has happened to numerous others. This vehicle is only 2 months old.

- Smiths, AL, USA