Operating the Toyota Prius 2010 cruise control is very simple if you watch this video. The switches of the cruise control is located on the stock which is behind the right side of the steering wheel. The on/off button is at the end of the stock. Once you turn it on, accelerate to your desired speed and push the stock down to set it on the current speed. If desired to change speed, hold the stock up to increase the speed and release it when speed desired is reached, and to decrease the speed hold the stock down, reduce the speed and release it when desired speed is reached If you wish to cancel the cruise control just pull the stock towards you or tap the brakes.