I have a 2015 peterbilt 579 looking to change radio .when I do will I still be able to use radio in sleeper to turn up or down main radio ?
Posted on Tue 12th October 2021 3.12AM in category Test Category

Sorry no.  There is no feature built in a aftermarket radio do allow you to do that.  The only thing that would do that would be a remote control for the new radio.

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