A system for changing the position of seats in a vehicle having forward seating and rearward seating , said rearward seating comprising at least one seat having a deployed configuration and a folded configuration, the system comprising: a control unit configured to, on initiation of a movement of said rearward seating between said deployed and folded configurations: detect the position of said forward seating ; control movement of said forward seating to a first safe position in which no part of the forward seating lies within a first volume defined by the integral of all of the positions that any part of the rearward seating may occupy between said deployed and folded configurations; and control movement of the forward seating back into said detected position if such movement would not cause it to collide with said rearward seating ; wherein the control unit is configured to perform at least a first portion of the movement of the rearward seating between said configurations simultaneously with the movement of the forward seating , wherein the control unit is configured to: i. check whether the forward seating is within said first volume when said first portion of the movement is completed; and ii. when the forward seating is not in the first volume when the first portion of the movement is completed, continue with the movement of the rearward seating ; or iii. when the forward seating is in the first volume when the first portion of the movement is completed, wait for the forward seating to exit the first volume before continuing with the movement of the rearward seating . detect the position of said forward seating ; control movement of said forward seating to a first safe position in which no part of the forward seating lies within a first volume defined by the integral of all of the positions that any part of the rearward seating may occupy between said deployed and folded configurations; and control movement of the forward seating back into said detected position if such movement would not cause it to collide with said rearward seating ; wherein the control unit is configured to perform at least a first portion of the movement of the rearward seating between said configurations simultaneously with the movement of the forward seating , wherein the control unit is configured to: i. check whether the forward seating is within said first volume when said first portion of the movement is completed; and ii. when the forward seating is not in the first volume when the first portion of the movement is completed, continue with the movement of the rearward seating ; or iii. when the forward seating is in the first volume when the first portion of the movement is completed, wait for the forward seating to exit the first volume before continuing with the movement of the rearward seating . i. check whether the forward seating is within said first volume when said first portion of the movement is completed; and ii. when the forward seating is not in the first volume when the first portion of the movement is completed, continue with the movement of the rearward seating ; or iii. when the forward seating is in the first volume when the first portion of the movement is completed, wait for the forward seating to exit the first volume before continuing with the movement of the rearward seating . <EOS>