On/Off Switch: Press briefly to turn on and press again to turn off.
Self-clean Button: Press briefly to start the self-clean mode, press and hold the button to enter the deep self-clean mode.
Suction Level Button: The vacuum is powered on by default in Standard mode. You can press the suction level button to enter the Turbo mode according to actual needs.
Voice Prompt Button: Press briefly to turn on/off the voice prompt and adjust the volume. Press and hold to switch the language.