Lexus LS500 Quick Manual page 299

8-1. Phone operation (Hands-free system for cellular phones)
The other party's voice will be heard from
●
the front speakers. The audio/visual sys-
tem will be muted during phone calls or
when hands-free voice commands are
used.
Talk alternately with the other party on
●
the phone. If both parties speak at the
same time, the other party may not hear
what has been said. (This is not a malfunc-
tion.)
● Keep call volume down. Otherwise, the
other party's voice may be audible out-
side the vehicle and voice echo may
increase. When talking on the phone,
speak clearly towards the microphone.
The other party may not hear you clearly
●
when:
• Driving on an unpaved road. (Making
excessive traffic noise.)
• Driving at high speeds.
• The roof or windows are open.
• The air conditioning vents are pointed
towards the microphone.
• The sound of the air conditioning fan is
loud.
• There is a negative effect on sound qual-
ity due to the phone and/or network
being used.
NOTICE
Do not touch and put a sharp object to
●
the microphone. It may cause failure.
Voice command system
Press this switch to operate the voice
command system.
LS500_LS500h_Navi_OM50F66U_(U)
 The voice command system and its
list of commands can be operated.
(→P.230)
Linking multi-information dis-
play
 The following phone functions are
linked with the multi-information
display in the instrument cluster:
• Placing a call
• Receiving a call
etc.
For details about multi-information dis-
play control, refer to "OWNER'S
MANUAL".
About the contacts in the con-
tact list
 The following data is stored for
every registered phone. When
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