Proposal to supplement 01 Series of Amendments to UN R116. Supplement 4 extends application to vehicles of category X and Y, and vehicles with manual mode operating above 6 km/h equipped with Automated Driving System. New definitions added for ADS feature of type 1 and type 2. Device to prevent unauthorized use definition amended to include locking steering, transmission, gearshift control, or brakes. Immobilizer setting requirements modified. Annex 11 requirements do not apply during remote-control manoeuvring and remote-control parking under UN R79, for vehicles of categories X and Y, or when ADSF-2 is activated by authorized registered digital key.