relative to the vehicle to be controlled application_number US 201213985423 A description in the following like reference numerals are used to refer to like features throughout the terms up down top and bottom are used to describe the illustrated apparatus in the orientation shown in the drawings but should not be taken as otherwise limiting referring to the drawings a two door open top motor car 1 comprises rear quarter panels 2 each rear quarter panel houses an inertia reel seat belt not shown for the corresponding front seat of the vehicle the seat belt pays out through a slot 3 formed in a forward facing surface of the internal to the vehicle casing of the rear quarter panel owing to the length of the vehicle and the size of its doors which must allow sufficient space for entry and exit of rear seat passengers the forward facing surface of the rear quarter panels in which the slot 3 is formed is positioned somewhat behind the corresponding front seat this makes it difficult for a front seat occupant to reach the seat belt in order to put it on to overcome this problem a seat belt presenter mechanism is provided the slot 3 through which the seat belt pays out is formed in a panel 4 mounted on an elongate arm 5 the arm 5 may be extended from and retracted.