How do I turn on/off the aircon for the Toyota Vios E? Leah March 07, 2024 03:36 Updated How do I turn it on? Turn the centre knob and set it to your desired fan speed. Turn the right knob and set it to your desired temperature. The wind coming out should be of a cooler temperature. How do I turn it off? Turn the centre knob and set it to "0" to turn off the car's aircon fully. Related articles How do I start and drive the Toyota Vios E? My tyre is flat! What do I do? How do I switch on the Bluetooth for the Toyota Vios E? How do I adjust the side mirrors in the Toyota Vios E? How do I switch on/off the headlights for the Toyota Vios E?