Manual Exclusive | Cobra 3865

Connect to the vehicle's 12V battery and negative ground. Ensure the black antenna wire is not connected to anything, as this would reduce the transmitter's range. Operating Instructions How A Cobra Alarm Works

According to standard Cobra system documentation, the 3865 typically includes the following functionalities: cobra 3865 manual exclusive

: Delivers a 118dB alert. Because it is self-powered, the siren will continue to sound even if the vehicle's main battery is disconnected or the wires are cut. Connect to the vehicle's 12V battery and negative ground

The Cobra 3865 (4B3865B4A) is a CAN-bus vehicle security system designed for integration with factory remotes, commonly used in Nissan X-Trail vehicles to provide perimetric and volumetric protection. Key features include high-power sirens, ultrasonic sensors for interior protection, and emergency override capabilities. Official installation documentation is available from Auto-Alarm . INSTALLATION MANUAL - Auto-Alarm Because it is self-powered, the siren will continue

: Automatically inhibits the engine crank to prevent unauthorized starting.