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I don't think you're going to find that here, but I have seen someone selling it on ebay.

I just found some of those screws on ebay, I was looking for those for a long time but couldn't find them, because mine are all striped, and all the ones I've found has a thicker head. But someone is selling the screws on ebay now for the Pioneer AVIC. Just search for "AVIC Screws".

Got it! Thank You!

Great! So, does that means that the activation info. is on the first two partitions, so it carry over to the second drive, therfore I don't have to activate on the 2nd drive? But the checking of the device id is on the last two partition, and it's left untouch on the 2nd drive, therefore it works? I'm a very technical person and like to understand how it really works. Thanks alot for the info!

I forgot to mention that both of my units has upgrade drives, from Z2 to Z3, they are already unlock. And I have not upgrade the map yet, because I was afraid if I activated it, then I won't be able to use it on the 2nd unit. I hope someone can help me here. Thanks!

I just purchased the new 2009 map, but I have 2 Z3 units in 2 of my cars (and thinking about buying one more for my 3rd car). I notice when I upgrade my map, I have to activate it base on the device id, so I can't use the same map disk on my second car. Does anybody know how I can turn "off" the activation feature?