TOYOTA 2011 Sienna - Manual (Page 560)

494
3-5. Using the hands-free phone system (for cellular phone)
■ Steering wheel telephone switches
Volume
The voice guidance volume
cannot be adjusted using
this button.
Hands-free phone system
off/ends a call/refuses a call
Hands-free phone system
on/starts a call
Press: Voice command sys-
tem on
Press and hold: Voice com-
mand system off
■ Microphone