Singapore legislation
Regulation 91
of Road Traffic (Motor Vehicles, Construction and Use) Rules
Regulation 91
Driver’s seat
Subregulation 1
There shall not be any seat, gangway or passage on the right side of the driver’s seat in a vehicle.
Subregulation 2
The driver’s seat shall be capable —
of being adjusted in a vertical direction and in a horizontal direction parallel to the longitudinal axis of the vehicle; and
of being firmly secured in any desired position within the limits of such adjustments.
Subregulation 3
The range of the adjustments referred to in paragraph (2) shall —
permit the seat to be fixed in a position such that the horizontal distance between the nearest part of the steering wheel and the back rest of the seat is 360 millimetres and the vertical distance between the lowest part of the steering wheel and the horizontal plane level with the top of the seat cushion is 250 millimetres; and
permit the seat to be adjusted at least 50 millimetres forward, backwards, upwards and downwards from that position.