An elevator safety system , comprising: an elevator car safety unit arranged on or at least in mechanical connection, preferably in fixed manner, with an elevator car ; at least one distance measurement target ; and a distance measurement device mounted on the elevator car for determining a distance between the at least one distance measurement target and the distance measurement device ; wherein the elevator car safety unit is arranged in connection with the distance measurement device and configured to generate an output signal based on the determined distance , the at least one distance measurement target is comprised in at least one safety device which is a buffer or a movable stop, characterized in that the at least one safety device : - is arranged to change a position of the at least one distance measurement target between an active position and an inactive position, or - comprises an actuator and a support element for the at least one distance measurement target , wherein the actuator and the support element are configured to change the position of the at least one distance measurement target , or - is arranged at a turning station of an elevator shaft and the position of the at least one distance measurement target is adapted based on a position of the turning station and/or a status of a turning station locking device . an elevator car safety unit arranged on or at least in mechanical connection, preferably in fixed manner, with an elevator car ; at least one distance measurement target ; and a distance measurement device mounted on the elevator car for determining a distance between the at least one distance measurement target and the distance measurement device ; wherein the elevator car safety unit is arranged in connection with the distance measurement device and configured to generate an output signal based on the determined distance , the at least one distance measurement target is comprised in at least one safety device which is a buffer or a movable stop, characterized in that the at least one safety device : - is arranged to change a position of the at least one distance measurement target between an active position and an inactive position, or - comprises an actuator and a support element for the at least one distance measurement target , wherein the actuator and the support element are configured to change the position of the at least one distance measurement target , or - is arranged at a turning station of an elevator shaft and the position of the at least one distance measurement target is adapted based on a position of the turning station and/or a status of a turning station locking device . - is arranged to change a position of the at least one distance measurement target between an active position and an inactive position, or - comprises an actuator and a support element for the at least one distance measurement target , wherein the actuator and the support element are configured to change the position of the at least one distance measurement target , or - is arranged at a turning station of an elevator shaft and the position of the at least one distance measurement target is adapted based on a position of the turning station and/or a status of a turning station locking device . <EOS>