See also:

Radio ready state
Activate radio ready state: When the ignition is switched off: press ON/ OFF button on the radio. When the engine is running: press START/ STOP button. Some electronic systems/power con ...

Maximum cooling
Press the button. The system is set to the lowest temperature, maximum air volume and recirculated-air mode. Air flows out of the vents for the upper body region. Open them for this purpose. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...