At least one company is taking the hardware integration features of iPhone OS 3.0 seriously. Pioneer, which announced A/V home theater receivers with some serious iPhone connectivity in June, has just revealed an iPhone app (iTunes link) designed to integrate with two of its brand new in-dash navigation units.
While the iPhone app doesn’t provide iPod control without a hardware cable connection, it does allow you to search for points of interest or trip destinations on the iPhone, which then communicates said information to the navigation unit. Basically, it’s like having an advanced, user-friendly remote for your GPS unit instead of having to fumble with clumsy on-device controls. Read More about New Pioneer In-Dash Nav Units Get Hardware Specific iPhone App