See also:

Connecting electrical devices
Sockets The lighter socket can be used as a socket for electrical equipment while the engine is running or when the ignition is switched on. The total load of all sockets must not exceed 140 Wa ...

Tire inflation pressures X5 xDrive35i/X5 xDrive35d with two rows of seats
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Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...