Treble/Bass (TREB/BASS)
^ Slide the TREB lever up in order to increase the treble response.^ Slide the TREB lever down in order to reduce noise if the station is weak or noisy.
^ Slide the BASS lever up in order to increase the bass response
^ Adjust the BASS lever in order to create a pleasing sound to your ear.
UM6: For a description of the RPO Code(s) shown in this article, refer to the RPO Code List found at Vehicle/Application and ID RPO Codes