Nissan X-Trail 2024 Owners Manual
5.10.1.1. Confirming memory storage
Push the <SET> switch. If a memory position has not been stored in the switch (1 or 2) the indicator light for the respective switch will come ON for approximately 0.5 seconds. If a memory position has been stored in the switch (1 or 2) then the indicator light for the respective switch will stay ON for approximately 5 seconds.
Owners Manual