| UN R79 Steering Equipment | Steering Equipment | Uniform Provisions Concerning the Approval of Vehicles with regard to Steering Equipment Steering Equipment Steering Equipment UN Regulation No. 79 UN R79 | UNR | 79 | |
| UN R171 DCAS | Driver-Control Assistance Systems (DCAS) | DCAS Driver-Control Assistance Systems (DCAS) UN Regulation No. 171 UN R171 | UNR | 171 |