In cargo area

Open the right-hand side panel in the cargo area.
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 ...
Indicator/warning lamps
The indicator and warning lamps can light up in
a variety of combinations and colors.
Several of the lamps are checked for proper
functioning and light up temporarily when the
engine is starte ...
Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Reset" ...
