Does the stock Head Unit have Sub RCA outs?
Senior Member
SL Member
Joined: Jul 2010
Posts: 152
Not sure if these radios function this way or not, but, turn the radio off and press and hold the bottom left button, after a few seconds it should pop up with a submenu. If that doesnt work try a different button. In the Sub menu is the subwoofer "on/off" settings.
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