Sub Control I have two subwoofers in my trunk that are successfully wired to an amp and kenwood deck in my car, everything works fine. However I cannot find the option where you get to adjust the subwoofer control, the range of options is between -15 and +15.  Any solutions would be greatly appreciated.

To turn on the subwoofers you first need to be using the subwoofer pre-outs. Go into the Tuner and move the right Control Knob directionally down (without pressing in) and hold it there for a couple seconds.

Also make sure that the unit is not in Dual Zone. To check this setting:
• Press and hold the left AUD knob.
• Turn the AUD knob to "2 Zone". Tap the AUD knob in like a button to select.
• Turn the knob to "Off".
• Press and hold the AUD knob to exit.


To turn on the subwoofers you first need to be using the subwoofer pre-outs. Go into the Tuner and move the right Control Knob directionally down (without pressing in) and hold it there for a couple seconds.

Also make sure that the unit is not in Dual Zone. To check this setting:
• Press and hold the left AUD knob.
• Turn the AUD knob to "2 Zone". Tap the AUD knob in like a button to select.
• Turn the knob to "Off".
• Press and hold the AUD knob to exit.