I purchased a 2003 Infiniti G35 sports coupe. Brand Damn new, I bought it before christmas in 2002. On the way home from the dealership I started experiencing a odor and a viberation. It would come and go. After 4 trips to the dealership and they have had my car over 30 days, they have found that the rear brake system will lock down at any giving time. They act like I was damn crazy until I drove it the last time to the dealership with smoke coming out of the rear wheels. As of today 2-24-2003 they still have the car and it is unfixed. Help if you know anything that will help!