See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. The vehicle automatically adjusts the volume of the microphone on the telephone ...

Fuses
Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; otherwise, this could lead to a circuit overload, ultimately result ...

Ventilation in rear
Ventilation in rear 1. Use the thumbwheels to smoothly open and close the air vents 2. Thumbwheels to adjust temperature in upper body region; can be adjusted separately for left and right: ...