See also:

How to stop an activated alarm
The alarm stops only by unlocking the driver’s door or the trunk lid with the key, pressing the button on the Intelligent Key, or pressing the request switch (if so equipped) on the driver’ ...

Nissan Intelligent Key™ door buzzer (if so equipped)
The Intelligent Key door buzzer sounds if any one of the following improper operations is found. ● The ignition switch is not returned to the LOCK position when locking the doors. ● ...

Temperature
High temperatures accelerate the rate of corrosion to those parts which are not well ventilated. ...