Nissan Qashqai 2023 Owners Manual
5.1.6.1. Opening
To open the windows, push and hold the UNLOCK 
button on the key forabout 3 seconds after the door is unlocked.
To stop opening, release the UNLOCK button.
If the window open operation is stopped mid-operation while pushing the UNLOCK button, release and push the button again until all the windows are opened completely.
Owners Manual