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:
Look well ahead when driving
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehicle
driving ahead of you.
Driving smoothly and looking ahead reduces
fuel consumption. ...
Tone
The sound settings are stored for the remote
control currently in use. ...
Replacing the batteries
No rechargeable batteries
Do not use rechargeable batteries, as
damage may result from the substances in the
batteries.
1. Remove the cover. Press on the cover, arrow
1, and push forward, ...