ADR 9 - STD Controls for automatic transmissions - effective 1 January 1972.
ADR 9 stipulates the selection layout for the gears (D N R P) and the requirement to incorporate a starter motor interlock but there is no mention whatsoever that any gear selection indicator must be illuminated.
ADR 18 - Visibility of Instruments - effective 1 January 1973.
ADR 18 mentions that all visual indicators, other than indicator lamps, shall be fitted with variable intensity lamps.
The list of what is considered to be a 'Visual Indicator' subject to control by this ADR does not include the automatic transmission selector display.
Edited by S pack, 24 April 2020 - 10:52 PM.