# 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 1.5.1

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

The collision warning referred to in point 1.2.1.1 shall be provided by at least two modes selected from acoustic, haptic or optical.
The timing of the warning signals shall be such that they provide the possibility for the driver to react to the risk of collision and take control of the situation, and shall also avoid nuisance for the driver by too early or too frequent warnings. This shall be tested in accordance with points 2.4.2 and 2.5.2.

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Source: https://www.legislation.gov.uk/eur/2012/347/annex/II/division/1/division/1.5/division/1.5.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-347/annex-II/division-1/division-1.5/division-1.5.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.