lever 30 whereby it is pivoted to such an extent that the rail cable 35 unlocks the seat rails 9 fig7 the vehicle seat 1 can now be displaced as a whole the trailing end of the unlocking cam 40 may or may not pass the control lever 30 depending on the construction if it can pass there is insufficient action on the rail cable 35 for the seat rails 9 to lock and themselves act on the rail cable 35 the control lever 30 thereby pivots backward until it is again in abutment with the lever unit 20 if the actuation element 8 23 or 24 which is acted on is still retained the control lever 30 returns to an activated state if the actuation element 8 23 or 24 acted on has been temporarily released the control lever 30 returns to the deactivated state for the backward pivoting of the backrest 4 the actuation element 8 23 or 24 must be acted on so that the fittings 10 and the seat rails 9 are unlocked alternatively the fittings 10 are retained in an unlocked state by means of an internal guiding path as disclosed for example in de 199 28 148 a1 the disclosure content of which is expressly incorporated herein by reference when the backrest 4 is pivoted backward the unlocking cam 40 is released from the control lever 30 so that it again moves into abutment with the lever unit 20 but.