In an update to its iPhone frequently asked questions page, TomTom has revealed that the release date for its iPhone Car Kit has slipped to October. Originally previewed at Apple’s 2009 Worldwide Developers Conference, the Car Kit is a combination mount, charger, speakerphone, and GPS booster, allowing it to boost the accuracy of the built-in GPS on the iPhone 3G and 3GS, and enabling iPod touch units to work with navigation software, such as…