FILE - In this Dec. 10, 1997 file photo, visitors examine a Prius at Toyota Motor Corp.'s biggest showroom in Tokyo, where the gas-electric hybrid car is on display. Toyota recalled 106,000 first-generation Prius hybrid cars globally on Wednesday, June 1, 2011, for faulty steering caused by a nut that may come loose. (AP Photo/Koji Sasahara, file)