Well it will if Nissan, Sharp and NTT DoCoMo have anything to do with it, recently unveiling the latest tech in Japan. A cell phone with the Nissan intelligent key functions built in.

Nissan has been using the intelligent key technology on new premium vehicles since 2002, the Nissan GT-R bears one of the latest versions of the technology. It allows two way wireless communication between the vehicle and the key fob to allow the user to enter, and start the vehicle without traditional physical key interactions. Nissan has sold 950,000 cars with this feature built in.

These companies plan on continuing development of the technology into early next year. Prototype phones will be display at CEATEC Japan 2008 – the IT & Electronics expo to be held at Makuhari Messe, Japan from September 30th to October 4th 2008.

Source: Nissan