2009 Toyota Tundra Owners Manual - Page 388

3 -4 . U sing t he ha nds-fre e phone syst e m (for c e llula r phone ) Hands-free phone system (for cellular phone) (if equipped) This system supports Bluetooth®, which allows you connect a cellular phone without using cables and to make or receive calls without operating the cellular phone buttons. Owners of models equipped with a navigation system should refer to the "Navigation System Owner's Manual". Title Using the hands-free phone system Making a phone call Setting a cellular phone Security and system setup Using the phone book Page P. 364 P. 372 P. 377 P. 382 P. 386 n When using the hands-free system l The audio system and voice guidance are muted when making a call. l If both parties speak at the same time it may be difficult to hear. l If the received call volume is overly loud, an echo may be heard. l Try to face toward the microphone as much as possible when speaking. l In the following circumstances it may be difficult to hear the other party If driving on unpaved roads If driving at high speeds If a window is open If the air conditioning is blowing directly on the microphone If the air conditioning fan speed is set to high 360