TROS MB Series Car Potent Booster Electronic Throttle Controller, For Toyota Innova 2016-, For Toyota Avanza 2004-2011, For Toyota Avanza 2012-, For Toyota Hiace 2006-2020, For Toyota Vios 2006-, For Toyota Prado 120 2002-2009, For Toyota Yaris 2006-??...1. Electronic throttle controller is a throttle response controller. It removes response delays on your electronic accelerator pedal. Effectively, it allows your engine to respond faster. As a result, your car can accelerate faster. 2. Improve the electronic throttle response speed. 3. Improve vehicle throttle sensitivity. 4. Reduce engine carbon deposits. 5. Plug and play. 6. Enjoy the passion and speed. 7. 7 modes: comfort mode sport mode extreme