See also:

Climate control functions in detail
Manual air distribution Press the button repeatedly to select a program: Upper body region. Upper body region and footwell. Footwell. Windows and footwell: driver's side only. Window ...

Instrument cluster
1.Speedometer 135i: with fuel gauge 2.  Indicator lamps for turn signals 3.  Indicator and warning lamps 4.  Tachometer 5.  Fuel gauge 135i: engine oil temperature 6.  ...

Adjusting
The parking lamps or low beams must be switched on to adjust the brightness. Adjust the brightness using the thumbwheel. ...