See also:

How to use the back button
Push the BACK button to return to the previous screen. ...

Battery replacement
CAUTION Be careful not to allow children to swallow the battery or removed parts. ...

NISSAN Intelligent Key™ door buzzer
The Intelligent Key door buzzer sounds if the Intelligent Key is left inside the vehicle when locking the doors. When the buzzer sounds, be sure to check both the vehicle and the Intelligent Key. ...