Interior features
Turning the Automatic Sound Levelizer (ASL) on/off
In this manual: Interior features
~1min read
Turning the “TUNE/SEL” knob clockwise turns on the ASL, and turning the “TUNE/SEL” knob counterclockwise turns off the ASL.
ASL automatically adjusts the volume and tone quality according to the noise level as you drive your vehicle.
Test yourself
A quick Lexus GX quiz: every answer comes with an explanation and a link to the manual page.
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