Though we’ve reviewed hundreds of iPhone-compatible accessories since last June, there has not been a complete, turnkey solution for in-car iPhone integration that average users can go out and purchase with ease.

The reason is simple: though the iPhone is supposed to be Apple’s “best iPod ever,” it actually doesn’t work properly with many of the iPod’s best previous car accessories, and the iPhone accessory development process has proved unusually difficult for even the best engineers out there.

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