TomTom (@TomTom) has made available to their customers a free adaptor for the iPhone 4.From the company… In order to have your car kit for iPhone work with iPhone 4, you need the adapter for iPhone 4. This is included in our packaging from September 1st 2010. If you have bought a car kit before September 1st 2010 See more at http://www.tomtom.com/page/iphone-4-adapter