Lexus RX450H Manual page 438


Steering wheel switches

Microphone
RX450h_EE
3-2. Using the audio system
Volume
During an incoming call:
Adjusts the ring tone vol-
ume
During an ongoing call:
Adjusts the receiver vol-
ume
The voice guidance volume
cannot be adjusted using this
button.
Off-hook switch
Turns the hands-free sys-
tem on/starts a call
On-hook switch
Turns the hands-free sys-
tem off/ends a call/refuses
a call
Talk switch
Turns the voice command
system on (press)/turns the
voice command system off
(press and hold)
3
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