Menu navigation
You can use the thumbwheel and buttons 1 to navigate through the menus.
▷ Turn the thumbwheel: select a menu item.
▷ Press the arrow buttons: change between
fields.
▷ 
Press the button: activate the
menu item.
See also:
Adjusting the volume
1. "CD/Multimedia", "Radio" or "Settings".
2. "Tone".
3. "Volume settings".
4. Select the desired volume setting.
5. To adjust: turn the control ...
Warning triangle
The warning triangle is located in the cargo area. ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
...