How do you reset the alarm on 1995 Diamante?

To reset the alarm on a 1995 Mitsubishi Diamante, first, ensure the vehicle is unlocked using the key or remote. Insert the key into the ignition and turn it to the "On" position without starting the engine. This action should deactivate the alarm. If the alarm continues to sound, you may need to disconnect and reconnect the vehicle's battery to fully reset the system.