Lexus RX450H Navigation System Owner's Manual page 331

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Say the command displayed on the
screen.
 If a desired outcome is not shown, or if no
selections are available, perform one of the
following to return to the previous screen:
• Say "Go back".
• Select "Go Back".
 To cancel voice recognition, select
"Cancel", or press and hold the talk switch.
INFORMATION
●If the navigation system does not respond
or the confirmation screen does not dis-
appear, press the talk switch and try
again.
●If a voice command cannot be recog-
nized within 6 seconds, voice guidance
will say "Pardon?" ("Command not rec-
ognized. " will be displayed on the screen)
and voice command reception will
restart.
●If a voice command cannot be recog-
nized 2 consecutive times, the voice
command guidance system will say
"Paused. To restart voice recognition,
push the talk switch. To cancel voice rec-
ognition, push and hold the talk switch."
Then voice recognition will be sus-
pended.
●The voice recognition prompt can be set
to on or off when "Voice Prompts" is
selected. This setting can also be
changed on the "Voice Settings" screen.
(See page 66.)
●When "Voice Prompts" is selected, voice
recognition will be temporarily sus-
pended. Press the talk switch again.
RX450h/350_Navi_U
1. VOICE COMMAND SYSTEM OPERATION
INFORMATION
●Voice guidance can be canceled by set-
ting voice prompts to off. Use this setting
when it is desirable to say a command
immediately after pressing the talk switch
and hearing a beep.
MICROPHONE
It is unnecessary to speak directly into
the microphone when giving a com-
mand.
INFORMATION
●Wait for the confirmation beep before
speaking a command.
●Voice commands may not be recognized
if:
• Spoken too quickly.
• Spoken at a low or high volume.
• The roof or windows are open.
• Passengers are talking while voice com-
mands are spoken.
• The air conditioning speed is set high.
• The air conditioning vents are turned
towards the microphone.
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