Nissan Juke 2024 Owners Manual
5.5.1.3. Interior Movement Sensors (where fitted)
The interior movement sensors (volumetric sensing) detect movements in the passenger's compartment. When the alarm system is set to the armed position, it will automatically switch on the interior movement sensors.
When the windows are opened by a long press of the remote key fob unlock button 
and the vehicle automatically re-locks, see
To help avoid risk of injury or death through unintended operation of the vehicle and/or its systems, do not leave children, people who require the assistance of others or pets unattended in your vehicle. Additionally, the temperature inside a closed vehicle on a warm day can quickly become high enough to cause a significant risk of injury or death to people and pets.
Owners Manual