Ventilator

See also:

How to jump start
1. Make sure the booster battery is 12 volts and the negative terminal is grounded. 2. If the booster battery is in another vehicle, do not let the two vehicles touch. 3. Turn off all unnecessary ...

Cooling system
Never attempt to remove the radiator cap until the engine has been shut off and has cooled down completely. Since the coolant is under pressure, you may suffer serious burns from a spray ...

Using the Hands-free system
Turning on/off the Hands-free mode 1) OFF hook switch 2) ON hook switch To turn on the Hands-free mode, press the OFF hook switch . To turn off the Hands-free mode, press the ON hook switch . ...