Engine Start Operation When Intelligent Key Is Contacted To Push-Button Ignition Switch
WARNING: This page is about a different car, the 2020 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
When Intelligent Key battery is discharged, the NVIS (NATS) ID verification between transponder in Intelligent Key and BCM is performed when Intelligent Key backside is contacted to push-button ignition switch. If the verification result is OK, engine can be started.