Singapore legislation
Regulation 80
of Road Traffic (Motor Vehicles, Construction and Use) Rules
Regulation 80
Power-operated doors
Subregulation 1
Every door of a vehicle having a seating capacity for more than 30 persons, excluding the driver, and registered after 1st January 1975 shall be a power-operated door controlled by the driver unless such door is used solely as an emergency exit or by the driver.
Subregulation 2
The means by which a power-operated door of a vehicle may be opened in an emergency shall be provided inside and outside the vehicle on or adjacent to the door, and such means shall be clearly indicated.
Subregulation 3
There shall also be an indication that such means may be used by passengers in the vehicle only in an emergency.
Subregulation 4
The storage and transmission system of the power for operating the door shall be such that the operation of the door does not adversely affect the efficiency of the braking system of the vehicle.
Subregulation 5
The storage and transmission system referred to in paragraph (4) shall be so designed and constructed that in the event of the system becoming inoperative the door can be operated manually from inside and outside the vehicle.