Toyota Sienna 2010 Owner's Manual page 286

3-2. Using the audio system
Trademark owned by SRS Labs, Inc. (type A and B)
■
The audio systems utilize SRS FOCUS
enhancement technologies, under license from SRS Labs, Inc., in all modes
except AM radio mode.
FOCUS, TruBass, SRS and
Inc.
FOCUS and TruBass technologies are incorporated under license from
SRS Labs, Inc.
290
®
and SRS TruBass
symbols are trademarks of SRS Labs,
®
audio