Not to be outdone by Apple's Siri and iOS, Google is reportedly plotting a push into automobiles for its Android software.According to the Wall Street Journal's unnamed sources, Google and Audi are partnering to use Android for in-car information and entertainment systems. Nvidia is also involved, and other automotive partnerships may be announced during the CES trade show in January. Audi is holding a press conference on January 7.Google has been flirting with the automotive world for years. Several auto makers rely on Google Maps for navigation, and support a "Send2Car" feature in the Web version of Google Maps. Kia also uses Android to power the dashboard of the 2014 Kia Soul.The effort to be announced at CES sounds more ambitious, with a full version of Android being installed on in-car dashboards. This could give drivers greater access to Android app