Cobra 3865 | Manual

A: It does not interface with your car's stereo. The alarm functions independently and does not rely on or interact with the audio system.

"Unit 1, reading you five-by-five. Is that the old Cobra? Sounds like a freight train, Miller." cobra 3865 manual

A: The LTD edition has a black faceplate and chrome knobs vs. the standard silver/black. The manual is identical except for cosmetic illustrations. A: It does not interface with your car's stereo

Secure to a clean, unpainted chassis ground point. cobra 3865 manual

If you need to get on the air right now and haven’t found the PDF yet, here is the bare-bones setup routine derived from the manual: