A method for ensuring the safety of a wheelchair passenger in a transport vehicle is disclosed. The method ensures that the wheelchair is blocked from moving by fixating the wheelchair to the vehicle floor and ensures that the wheelchair passenger is secured in his wheelchair by a safety-belt system. Prior to transport the method includes sensing if the wheelchair is correctly fixed to the vehicle floor and sensing if the safety-belt system is applied correctly. In a second aspect, a method for ensuring the safety of a wheelchair passenger in a transport vehicle is provided, by instructing the operator of the securing procedure to be followed. The safety of a wheelchair passenger in a vehicle is ensured by allowing the wheelchair user to indicate his status of safety.