# Commission Regulation (EU) No 351/2012 of 23 April 2012 implementing Regulation (EC) No 661/2009 of the European Parliament and of the Council as regards type-approval requirements for the installation of lane departure warning systems in motor vehicles, Division 1.4.3

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

The LDWS optical warning signals shall be activated either when the ignition (start) switch is turned to the ‘on’ (run) position or when the ignition (start) switch is in a position between the ‘on’ (run) and ‘start’ that is designated by the manufacturer as a check position (initial system (power-on)). This requirement does not apply to warning signals shown in a common space.

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Source: https://www.legislation.gov.uk/eur/2012/351/annex/II/division/1/division/1.4/division/1.4.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-351/annex-II/division-1/division-1.4/division-1.4.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.