Document ID: chunk:federal_register_of_legislation:F2024L00446:reg:16:p12
Version: federal_register_of_legislation:F2024L00446
Segment Type: reg
Provision Reference: reg 16 (pt 12/18)
Character Range: 224269–227313

that the reagent level is low (e.g. "urea level low", "AdBlue level low", or "reagent low").

              3.4. The warning system does not initially need to be continuously activated, however the warning shall escalate so that it becomes continuous as the level of the reagent approaches the point where the driver inducement system in paragraph 8. comes into effect. An explicit warning shall be displayed (e.g. "fill up urea"', "fill up AdBlue", or "fill up reagent"). The continuous warning system may be temporarily interrupted by other warning signals providing that they are important safety related messages.

              3.5. The warning system shall activate at a distance equivalent to a driving range of at least 2,400 km in advance of the reagent tank becoming empty, or at the choice of the manufacturer at the latest when the level of reagent in the tank reaches one of the following levels:

                  (a) A level expected to be sufficient for driving 150 per cent of an average driving range with a complete tank of fuel; or

                  (b) 10 per cent of the capacity of the reagent tank,

              whichever occurs earlier.

              4. Identification of incorrect reagent

              4.1. The vehicle shall include a means of determining that a reagent corresponding to the characteristics declared by the manufacturer and recorded in Annex A1 is present on the vehicle.

              4.2. If the reagent in the storage tank does not correspond to the minimum requirements declared by the manufacturer the driver warning system in paragraph 3. shall be activated and shall display a message indicating an appropriate warning (e.g. "incorrect urea detected", "incorrect AdBlue detected", or "incorrect reagent detected"). If the reagent quality is not rectified within 50 km of the activation of the warning system then the driver inducement requirements of paragraph 8. shall apply.

              5. Reagent consumption monitoring

              5.1. The vehicle shall include a means of determining reagent consumption and providing off-board access to consumption information.

              5.2. Average reagent consumption and average demanded reagent consumption by the engine system shall be available via the serial port of the standard diagnostic connector. Data shall be available over the previous complete 2,400 km period of vehicle operation.

              5.3. In order to monitor reagent consumption, at least the following parameters within the vehicle shall be monitored:

                  (a) The level of reagent in the on-vehicle storage tank; and

                  (b) The flow of reagent or injection of reagent as close as technically possible to the point of injection into an exhaust after-treatment system.

              5.4. A deviation of more than 50 per cent between the average reagent consumption and the average demanded reagent consumption by the engine system over a period of 30 minutes of vehicle operation shall result in the activation of the driver