# Commission Regulation (EU) No 347/2012 of 16 April 2012 implementing Regulation (EC) No 661/2009 of the European Parliament and of the Council with respect to type-approval requirements for certain categories of motor vehicles with regard to advanced emergency braking systems, Division 2.4.2

Extent: E+W+S+N.I.

The timing for the collision warning modes referred to in point 1.5.1 shall comply with the following:
2.4.2.1.(a)...
(b)For approval level 2: at least one warning mode shall be provided not later than the values specified in Column B of the table in Appendix 2, as follows:
in the case of vehicle categories referred to in Row 1 of the table in Appendix 2: the warning shall be haptic or acoustic, and
in the case of vehicle categories referred to in Row 2 of the table in Appendix 2: the warning shall be haptic, acoustic or optical.
2.4.2.2.At least two warning modes shall be provided no later than the values specified in:
...;
for approval level 2: Column C of the table in Appendix 2.
2.4.2.3.Any speed reduction during the warning phase shall not exceed either 15 km/h or 30 % of the total subject vehicle speed reduction, whichever is higher.

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Source: https://www.legislation.gov.uk/eur/2012/347/annex/II/division/2/division/2.4/division/2.4.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-347/annex-II/division-2/division-2.4/division-2.4.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.