Swiss auto design house Rinspeed, the company behind last year's sQuba diving car, will reveal an electric car concept vehicle that can be controlled by an iPhone at the Geneva Motor Show next week, Macworld reports.

The iChange uses an iPhone in lieu of car keys. The iPhone clips into a holder on the dashboard to either side of the steering wheel, the report said. "Once connected a green "start" button appears on the iPhone's display and one push brings the iChange automobile to life. When you're driving the car the iPhone can also be used for other control functions, such as switching on and off the headlights."

This being Rinspeed, it's not just about the iPhone. With the push of a button, the iChange can morph from a single-seater, pod-shaped sports car into one with a taller roof that can accommodate two extra rear passengers. It also sports an all-electric powertrain and lithium-ion batteries; Rinspeed is claiming a 0-62 time of 4.2 seconds, putting it in the ballpark of the Tesla Roadster (which, to be fair, is an actual production car and no longer a concept).

The report also said that the iChange's Harman/Kardon audio system employs a low-power Intel processor, and the navigation system can calculate the most eco-friendly route for a given destination in addition to the quickest one.