TOYOTA 2010 Yaris - Manual (Page 228)

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3-2. Using the audio system
■ Adjusting the Automatic Sound Levelizer (ASL)
When “ASL” is selected, turning to the right changes the
“ASL” level in the order of “LOW”, “MID” and “HIGH”.
Turning to the left turns “ASL” off.
ASL automatically adjusts the volume and tone quality according to vehi-
cle speed.
■ Trademark owned by SRS Labs, Inc.
The audio system utilizes SRS FOCUS
®
and SRS TruBass
®
audio
enhancement technologies, under license from SRS Labs, Inc., in all modes
except AM radio mode.
FOCUS, TruBass, SRS and symbols are trademarks of SRS Labs,
Inc.
FOCUS and TruBass technologies are incorporated under license from
SRS Labs, Inc.