Lexus ES350 Manual page 583

582
5-4. Using the audio system
Steering wheel switches
Volume
1
During an incoming call: Adjusts
the ring tone volume
During an ongoing call: Adjusts
the receiver volume
The voice guidance volume cannot be
adjusted using this button.
Talk switch
2
Turns the voice command system
on (press)/turns the voice com-
mand system off (press and hold)
Off-hook switch
3
Turns the hands-free system on/
starts a call
On-hook switch
4
Turns the hands-free system off/
ends a call/refuses a call
Microphone
You can use the microphone when
talking on the phone.
The person you are speaking to can
be heard from the front speakers.
To use the hands-free system, you must register your Bluetooth
the system. (P. 584)
ES350_300h_OM_OM33A60U_(U)
®
phone in