I purchased a pre-owned certified vehicle in June of 2025 it was a 2023 model with approximately 23k miles on it. In August of 2026 I was driving on the interstate and the vehicles warning lights came on and the vehicle shut down completely at a speed of 70 mph. The safety flashers quit working along with the headlights leaving the vehicle totally dark on a remote section of Interstate at night. I had the vehicle towed to a Nissan dealership and I was sent a video of what happened from the certified Nissan technician. I can provide the link to the video upon request. The technician stated in the video that the muffler had developed a very large hole in it and the heat from the exhaust coming from the hole melted the vehicles wiring harness. I feel this is a very dangerous situation as it could cause a vehicle to catch fire. It also caused the emergency lights to not work and all of the other vehicle systems stopped working. I did some research online and found that this is a well documented issue with this make and model of vehicle. The manufacturer has even went as far as offering an additional heat shield for purchase which I only recently found out about. 1. I have the old exhaust system available for inspection. 2.The vehicle could of caught fire of we could of been hit by another vehicle since it was night time and the lights quit working. 3.I am unsure but there are many well documented cases available from a simple online search. 4. Just the service center. 5.It was s