The contact owns a 2023 Volkswagen ID.4. The contact's vehicle was equipped with Kumho, Summer Tread Tires. 235/50R20, DOT Number: N/A. The contact stated while driving a vibrating sound coming from the vehicle. The contact stated that the vibrating sound was persistent. The contact stopped and parked the vehicle. The contact stated while performing an inspection of the vehicle, the contact noticed that the driver's front tire had a 2-inch piece of rubber that was detached. The vehicle was towed to an independent mechanic. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 17,000.

- West Glover, VT, USA

Pirelli Scorpion Zero All Season 255/45 R20 105T After about a month of owning my car, I noticed brown stains on my tires which made them look very old and worn and dirty. I tried washing them off and the stains kept coming back. I emailed the manufacturer and they told me that the browning on the tires was a normal reaction to extreme UV exposure or it could happen over time. I pointed this out to the dealership and they told me it was just dirt. Since this was a brand new car I did not believe the tires should look like this nor have I ever seen tires on a brand new car look this way. After doing a little more research I was convinced the tires were defective. Then in April I ended up getting a screw in one of my tires and it went completely flat and was unrepairable. The tires seemed defective right after I purchased the car and I do not feel like they are safe. The fact that this nail went through the tire when the nail wasn't even sharp indicates to me that the rubber is somehow defective. I've told this to the dealer and the manufacturer and they both tell me that this is normal and tires are supposed to be discolored and it's normal to have the brown stains on them.

- Denver, CO, USA

The tire is a Pirelli Scorpion Zero All Season and the size is: 255/45 R20. While driving on the freeway, I heard weird sound and the tire blowout suddenly causing dangerous movement of the car to the right and left and the car speed decreased quickly to 18 mph with no possibility to increase the speed (looks like this is a safety measure that is taken automatically by the car's computer in such cases). My safety and the safety of others were put at high risk as the cars behind me were moving at relatively high speed as this was at around 5:00 AM. The police came and inspected the tire that was in pieces and he didn't want me to wait for AAA for towing the car as the place it stopped was risky. So, he ordered a towing truck that arrived after around 20 minutes and towed the car to the nearest car's dealer which was close at that time. I left the car and keys. They called me after and the lady said that most probably for a certain reason the air pressure inside the tire became low and the tire blowout due to that. No warning signs or messages appeared prior to the failure.

- Rancho Cucamonga, CA, USA