Plugged in the siren, and it beeps when I lock/unlock....but it won't beep like its supposed to when I "enter" the setup mode. I press the valet button for 3sec like the manual says and its supposed to chirp at me to confirm entering setup -- but nothing happens.

Stupid thing. I don't get it.

Here's how I have it though:

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

It kinda looks like you've only got 1/2 the system hooked up. See my above post, see if that helps at all.

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