2007 Toyota Tundra Navigation Manual - Page 120

06 12.07 OTHER FUNCTIONS (iii) Setting the volume D Automatic volume settings for high speed You can set the volume one step up when the speed is over 50 mph (80 km/h). (When it is under 43 mph (70 km/h), previous volume is back.) Each time you touch "Adaptive Volume Control", you can switch on or off. D Initializing the settings You can initialize the settings. 5U5175G 5U5176G 1. Touch "Volume" to display "Volume Settings" screen. the Touch "Default". 5U5176G 5U5177G 2. Touch "−" or "+" to adjust the "Voice Volume" or "Ring Volume". Voice Volume . . Adjusting the other party's voice. Ring Volume ...Adjusting the ring volume. Touch "Yes". 120