 My car was 2 years old and got 2 smaller rust spots that bubbled the paint then came through. It had a very large rust spot on  the door. I took it to the dealer to have it covered under the warranty, after I couldn't reach anyone. They blew me off till the warranty expired and acted like they didn't know I brought the car in even though i had their info and business card. Finally i went on social media and got an instant response. I took the car back in and now they say that the rust was caused by the roads. How does it bubble from under the paint then come thru if it was a chip. Infiniti just lost a customer for life, and to think I was going to buy another one. Now the car is worthless just like their warranty.