# Directive 2006/126/EC of the European Parliament and of the Council of 20 December 2006 on driving licences (Recast) (Text with EEA relevance), Division 4.2: Compulsory check of general knowledge on the following additional provisions concerning categories C, CE, D and DE:

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

4.2.1. The principles of the construction and functioning of: internal combustion engines, fluids (e.g. engine oil, coolant, washer fluid), the fuel system, the electrical system, the ignition system, the transmission system (clutch, gearbox, etc.);
4.2.2. Lubrication and antifreeze protection;
4.2.3. The principles of the construction, the fitting, correct use and care of tyres;
4.2.4. The principles of the types, operation, main parts, connection, use and day-to-day maintenance of brake fittings and speed governors, and use of anti-lock brakes;
4.2.5. The principles of the types, operation, main parts, connection, use and day-to-day maintenance of coupling systems (categories CE, DE only);
4.2.6. Methods of locating causes of breakdowns;
4.2.7. Preventive maintenance of vehicles and necessary running repairs;
4.2.8. The driver's responsibility in respect of the receipt, carriage and delivery of goods in accordance with the agreed conditions (categories C, CE only).

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Source: https://www.legislation.gov.uk/eudr/2006/126/annex/II/division/I/division/A/division/4/division/4.2 (the official version)
Page: https://openlegislation.uk/eu-directive-2006-126/annex-II/division-I/division-A/division-4/division-4.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.