The invention concerns a method for securitizing the lifting operation of a wheelchair seat, comprising the following steps:a) detecting a presence or a motion inside an area (A1, A2, A3, A4) surrounding at least partially a lifting means (2) of the wheelchair seat, said detection being done before said lifting means (2) hits an obstacle,b) if a presence or a motion is detected in said area (A1, A2, A3, A4), deactivating actuating means (7) controlling the lifting means (2).
