11
IntroductionAudio Telephone Navigation Index
S y s te m  s e ttin g s
Adjusting the volume
Audio and telephone function
Raising the volume - turn rotary/push-button (1) to the 
right (clockwise)
Lowering the volume - turn rotary/push-button (1) to 
the left (counterclockwise)Audio functions for radio, tape and CD:
The selected volume level applies to all of the audio 
functions.
Telephone function:
The selected volume level applies only to the telephone 
function.
Navigation function
Raising the volume difference - turn the rotary/push-
button (1) to the right (clockwise)
Lowering the volume difference - turn the rotary/push-
button (1) to the left (counterclockwise)
During a navigation announcement you can select the 
volume difference between the volume of the audio 
source and the navigation voice. 
Note:
During the announcement the volume of the audio 
source will be lowered.
Sound settings, page 153.
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Introductions 
         
        
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Introduction AudioTe l e p h o n eNavigation Index
S y s te m  s e ttin g s
Setting volume for hands-free operation:
Raising the volume - turn rotary/push-button (1) to the 
right (clockwise)
Lowering the volume - turn rotary/push-button (1) to 
the left (counterclockwise)Accepting an incoming call and using the mobile 
cellular telephone handset
Removing the telephone from its cradle will switch 
hands-free operation off.
1 Observe all legal requirements.
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G
Wa r n i n g !
Please be sure to pay attention to the traffic situa-
tion at all times. Use the mobile cellular telephone
1 
only when the traffic situation allows.
Some jurisdictions prohibit the driver from using a 
cellular telephone while driving a vehicle. Whether 
or not prohibited by law, for safety reasons, the 
driver should not use the cellular telephone while 
the vehicle is in motion. Stop the vehicle in a safe 
location before answering or placing a call.
Telephone