Acura introduced its MDX as a 2001 model. Before long, the midsize sport utility vehicle from Honda's luxury division began to tally impressive sales totals. Shoppers even faced waiting lists for the car-based seven-passenger MDX, which is loaded with luxury features., , The MDX is built on the platform used for the previous-generation Honda Odyssey minivan and is manufactured in Ontario, Canada. It competes against such rivals as the BMW X5, Lexus RX 330 and Mercedes-Benz M-Class., , XM Satellite Radio is standard for 2005, and all models equipped with Acura's navigation system get General Motors' OnStar communication system. The navigation system was enhanced to include additional voice commands. The Touring Package now features HandsFreeLink phone operation, which allows a compatible mobile phone to be used as a hands-free car phone. The fuel tank has increased, and Acura's Vehicle Stability Assist electronic stability system has been enhanced.