Toyota PRIUS 2007 Important Information Manual page 220

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(c) Setting the volume
1. Touch the "Volume" switch to dis-
play the "Volume Setting" screen.
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2. Touch the "−" or "+" switch to ad-
just the "Voice Volume" or "Ring
Volume".
Voice Volume . . adjusting the
party's voice.
Ring Volume . . . adjusting the ring volume.
Automatic volume settings for high
D
speed
You can set the volume one step up
when the vehicle speed is over 80 km/h
(50 mph). (When it is under 70 km/h (44
mph), previous volume is back.)
Each time you touch the "Adaptive Volume
Control" switch, you can switch on or off.
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