See also:

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...

Observe the following when refueling
The fuel tank is full when the filler nozzle clicks off the first time. Handling fuels Obey safety regulations posted at the gas station. ...

Switching on/off manually
Press the button. ...