Changing the scale
1. 
Select the symbol.
2. To change the scale: turn the controller.
Automatically scaled map scale
In the map view facing north, turn the controller in any direction until the AUTO scale is displayed. The map shows the entire route between the current location and the destination.
See also:
Hydroplaning
On wet or slushy roads, a wedge of water can
form between the tires and road surface.
This phenomenon is referred to as hydroplaning.
It is characterized by a partial or complete
loss of contact ...
Trip computer
There are two types of computer.
"Onboard info": the values can be reset as
often as necessary.
"Trip computer": the values provide an overview
of the current trip.
...
Text messages
Text messages at the upper edge of the Control
Display explain the meaning of the displayed indicator
and warning lamps. ...