Division 2.4.2.2 F1
The vehicle's dynamometer operation mode, if any, shall be activated by using the manufacturer's instruction (e.g. using vehicle steering wheel buttons in a special sequence, using the manufacturer's workshop tester, removing a fuse).
The manufacturer shall provide the approval authority a list of the deactivated devices and justification for the deactivation. The dynamometer operation mode shall be approved by the approval authority and the use of a dynamometer operation mode shall be included in all relevant test reports.