Mercedes-Benz SLR McLaren. Operator's Manual.

Controls in detail
Audio system
Press either the d or c button.
The stored entries are selected according
to the alphabetical order of the initial
letter.
or
Press either the f or e button.
The stored entries are selected in
increments of four.
or
Press the desired numerical key 2
to 9.
The stored entries are selected according
to the alphabetical order of the initial
letters (e.g. for B -Brown, press
button 2 twice).
162
i
Several characters and symbols cannot
be shown on the display for technical
reasons. They have been replaced with
spaces.
Searching and selecting phone book entries
by number
Press the NUM key.
The current number is marked in the
display.
Press either the d or c button.
The stored entries are selected
according to numerical order.
or
Press either the f or e button.
The stored entries are selected in
increments of 5 (e.g. Entry M5, Entry
M10, etc.)
Starting dialing process
Once you have selected a number,
press the SND key.
Repeat dialing
If the number dialed is busy, you can again
place calls to the last ten telephone numbers
dialed using the repeat dialing function.