“This could be Toyota’s iPod,” said UK’s Fifth Gear. The iQ is Toyota’s (some say much smarter) answer to Daimler’s Smart. But the trouble is: The iQ is only available in Japan and Europe. Its impending arrival in the U.S.A. has been announced many times. More on that later. While in Japan, I wanted to test-drive the smallest car of the world’s largest automaker. But first, there were huge obstacles to overcome.