The door popper kit that Tone sells on his web site adds the "pin-switch" to the rear door, which will tie it into the alarm system. My aftermarket alarm systems allows you to program the remote to activate the popper, which allows you to open the rear door and deactivate the alarm from the key fob. You can probably do this with the "option" button on the stock keyless entry fob, but you'd have to check the manual.
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