stereo speaker problems

[robede]

Re connected the battery after a long winter and now only the front 2speakers work. I know there is a button to push somewhere, but where is it? I have a 21i with a Clarion XMD3 HU and APX200.2M Clarion Amp...can't find anything about it in any manual. Thanks

[billspin]

Rear Speakers On – T – Button
Hold to get to adjust
<< & >> to SW LPF
/\ or \/ - Set at REAR
T to return and save

[WestCoastWake]

Google is your friend.