Why........

....... do handbooks tell different stories to what is actually in a car?  A friend has been puzzling over his satnav as the handbook says there should be a dvd slot in the glovebox but he couldn't find it to update his satnav. It is quite clearly seen in the pic just below the screen so soon sorted out that mystery although my elderly friend felt rather small when I pointed it out but if one is not brought up with modern innovations......