See also:

Interior
The 135i's interior design is fairly traditional, with more upright shapes than sweeping contours. Dual-zone climate controls sit below the center air vents and optional navigation system, with BM ...

Adjusting the volume
Turn the volume button while giving an instruction until the desired volume is set. ► The volume remains constant even if the volume of other audio sources is changed. ► The volume i ...

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...