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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
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Specifically:
it shall provide the driver with the warning specified in point 1.4.1., when tested in accordance with the provisions of point 2.5. (departure warning test) and with lane markings as specified in point 2.2.3.;
the warning mentioned in point 1.2.1. may be suppressed when there is a driver action which indicates an intention to depart from the lane.
The LDWS function shall be automatically reinstated at the initiation of each new ignition ‘on’ (run) cycle.
A constant optical warning signal shall inform the driver that the LDWS function has been deactivated. The yellow warning signal specified in point 1.4.2. may be used for this purpose.
at least two warning means, to be chosen between optical, acoustic and haptic;
one warning means, to be chosen between haptic and acoustic, with spatial indication about the direction of unintended drift of the vehicle.
In the case of the failure warning signal being in a common space, the common space must be observed to be functional prior to the failure warning signal status check.
Alternatively, this protection requirement is fulfilled when a secondary means of checking the correct operational status of the LDWS is available.
The vehicle may be tested at any condition of load, the distribution of the mass among the axles being that stated by the vehicle manufacturer without exceeding any of the maximum permissible mass for each axle. No alteration shall be made once the test procedure has begun. The vehicle manufacturer shall demonstrate through the use of documentation that the system works at all conditions of load.
With the vehicle stationary check that the optical warning signal(s) comply with the requirements of point 1.4.3.
Maintaining the prescribed speed, gently drift the vehicle, either to the left or the right, at a rate of departure of between 0,1 and 0,8 m/s so that the vehicle crosses the lane marking. Repeat the test at a different rate of departure within the range 0,1 and 0,8 m/s.
Repeat the above tests drifting in the opposite direction.
Editorial Information
X1 Substituted by Corrigendum to 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 (Official Journal of the European Union L 110 of 24 April 2012).
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