On the “sound settings” screen, sound quality (treble/mid/ bass), volume balance can be adjusted.
How to adjust the sound settings and sound quality
1,2,3 Select “-” or “+” to adjust the treble, mid or bass to a level between -5 and 5.
4,5 Select “front” or “rear” to adjust the front/rear audio balance.
6,7 Select “l” or “r” to adjust the left/right audio balance.

The sound quality level is adjusted individually
The treble, mid and bass levels can be adjusted for each audio mode separately.
List screen operation
Using the radioThings you should know
If you notice any symptoms
If you notice any of the following symptoms, refer to the likely cause
and the solution, and re-check.
If the symptom is not resolved by the solution, have the vehicle
inspected by your toyota dealer.
Likely cause
Solution
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