How do you disable Nissan Pathfiner security alarm?

To disable the security alarm on a Nissan Pathfinder, insert the key into the ignition and turn it to the "On" position without starting the engine. Then, press the "unlock" button on the key fob to disarm the alarm. If the alarm continues to sound, you might need to disconnect the vehicle's battery for a few minutes to reset the system. Always refer to the owner's manual for specific instructions related to your model year.