as said pdi full new mot fix any gremlins before the header board goes in or point them out to customer during sale back up by getting customer to countersign both pdi and sales invoice where everything is in writing including no eml light was on during the sale and after test drive,you must do test drives its all here in the podcasts which really are must have listen to if you want to try and stay out of trouble http://cardealerpodcast.libsyn.com/ thanks again to umesh for providing the original link because you wouldnt find them otherwise and thanks lawgistics