Nissan LEAF 2023 Owners Manual
4.5.1.4. Ready for immediate charge
When the power switch is in the OFF position and if the immediate charge button is pressed while the charge cable is not connected, the indicator light (2) illuminates, indicating the vehicle is ready for immediate charge.
You then have 15 minutes to connect the charge connector to the vehicle. If the charge connector is not connected within 15 minutes, the indicator light (2) turns off and you must start the immediate charge mode again to charge the Li-ion battery.
Owners Manual