The tension cables on the 3865 frame love to snap. If your top stops folding evenly, inspect the cable running from the front header to the rear quarter.
If your alarm went off while you were away, the system stores a fault code. When you disarm the car, the buzzer will beep (instead of once) to alert you. cobra 3865 manual top
Navigate to the "Sensor Sensitivity" menu (indicated by 3 short LED flashes). The tension cables on the 3865 frame love to snap