A customer secretly films everything an unsuspecting dealer says so it may be used as evidence should the need arise.

DDB London has created a new campaign highlighting the fact that Volkswagen's cars are less expensive than people might think.
In an evolution of the 2005 'Incredible but True' press campaign, a series of four TV spots dramatise the incredulity that customers might experience when Volkswagen dealers reveal the actual prices of their cars to them.