Every time after parking my car for more than 2 hours, when I start to drive off slowly, I hear a high pitch sound coming from my wheels. after a little acceleration, the sound is gone and never come back until I park my car for some time and drive off again. have any of you experienced this before.

 

Does this happen when you press the brakes?? It could be the cause of rust scraping off the rotors... If this is the case, you will need to get your rotors resurfaced or maybe even replaced!!..