NISSAN 2015 LEAF - Owner's Manual - Manual (Page 160)

INDICATORS FOR OPERATION
1. READY to drive position operation
indicator
This indicator appears while the vehicle is in the P
(Park) position. This indicator means that the EV
(Electric Vehicle) system will start when the
power switch is pressed with the brake pedal
depressed.
2. Key is not detected warning
This warning appears in either of the following
conditions.
No key inside the vehicle:
This warning appears when the door is closed
with the Intelligent Key left outside the vehicle
and the power switch in the ACC or ON position.
Make sure that the Intelligent Key is inside the
vehicle.
Instruments and controls 2-23