i have an 07 350z with 10,000 miles and today after taking my car in for an oil change at the dealer ship i went out of town(120 miles), i just happen to look under the hood when i arrived and i noticed the belt on the front of the engine has started to fray. about two of the lateral slots on the pullys are exposed and there is wear all over the belt. has anyone else had this happen and if so what could be the cause i will be taking the car back to the dealership early monday morning. there are no noises being made and no noticeable difference in the engine, thank god my car is under warranty. any help is appreciated.