Mobile phone with integrated car key has been announced by Nissan, NTT DOCOMO and Sharp. Have jointly developed a mobile phone capable of functioning as intelligent key for automobiles, the first in the world. The system Nissan Intelligent Key, installed in more than 950,000 units of various Nissan models since 2002, uses a technology of two-way wireless communication to lock or unlock the doors of the vehicle automatically and start or stop the engine.

Nissan and Sharp have integrated these technologies electromagnetic wireless communications and intelligent electronic key in this new portable device. The mobile phone has integrated car key been possible thanks to the experience of DOCOMO in mobile marketing, development that Sharp has made the phone itself and the provision of technical support from Nissan to ensure the functioning of the key in their vehicles.