A vehicle park lock apparatus for a vehicle having a gearbox connected to a differential for transferring rotational movement from the gearbox to front and rear drive shafts (20,22), the apparatus comprising: a locking member (28, 30, 50) having: a first state in which the locking member is arranged such that the differential of the vehicle is unlocked and a park lock is disengaged to permit independent rotational movement of the front and rear drive shafts (20, 22) of the vehicle relative to a fixed position on the vehicle; a second state in which the locking member is arranged to lock the differential of the vehicle to prevent independent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and in which the park lock is disengaged; and a third state in which the locking member is arranged such that the differential of the vehicle is locked and the park lock is engaged to prevent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and an actuation member (36, 64) for moving the locking member between the first, second and third states, the actuation member being movable between three positions, each position being associated with one of the first state, the second state, and the third state, wherein the locking member cannot be moved from the first state to the third state without first being moved to the second state to lock the differential. a locking member (28, 30, 50) having: a first state in which the locking member is arranged such that the differential of the vehicle is unlocked and a park lock is disengaged to permit independent rotational movement of the front and rear drive shafts (20, 22) of the vehicle relative to a fixed position on the vehicle; a second state in which the locking member is arranged to lock the differential of the vehicle to prevent independent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and in which the park lock is disengaged; and a third state in which the locking member is arranged such that the differential of the vehicle is locked and the park lock is engaged to prevent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and a first state in which the locking member is arranged such that the differential of the vehicle is unlocked and a park lock is disengaged to permit independent rotational movement of the front and rear drive shafts (20, 22) of the vehicle relative to a fixed position on the vehicle; a second state in which the locking member is arranged to lock the differential of the vehicle to prevent independent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and in which the park lock is disengaged; and a third state in which the locking member is arranged such that the differential of the vehicle is locked and the park lock is engaged to prevent rotational movement of the front and rear drive shafts of the vehicle relative to the fixed position on the vehicle, and an actuation member (36, 64) for moving the locking member between the first, second and third states, the actuation member being movable between three positions, each position being associated with one of the first state, the second state, and the third state, wherein the locking member cannot be moved from the first state to the third state without first being moved to the second state to lock the differential.