Nissan LEAF 2023 Owners Manual
3.6.2.3. Notification of the Li-ion battery warmer operation (where fitted for models with 40 kWh battery)
You can be notified of the Li-ion battery warmer operation on the NISSAN Data Centre website via an internet enabled smartphone.
When the power switch is in the OFF position and charge connector is not connected, or if the Li-ion battery warmer starts or stops, an e-mail notifies you to connect the charger to the vehicle. See the separately provided navigation system owner's manual.
Owners Manual