More info as to fail or not read from this link, http://www.transportoffice.gov.uk/crt/doitonline/bl/mottestingmanualsandguides/mottestingmanualsandguides.htm, sellect, Inspection Manual for Classes 3, 4, 5 and 7 Vehicles, then next page at the top, followed by section 1, then 1.4, you will...