(26 Oct 2015, 6:12 pm)As discussed previously, one of the main modifications on the native single-door examples is the removal of one tip-up seat and adjustment to the position of the wheelchair headrest (as shown below), but the dual-door examples do not have this seating layout. wroteGo North East: 4902 / W902RBB by Daniel Graham, on Flickr
Some of the GNE buses with wheelchair spaces have a fold-down cushion on the lower section of the wheelchair backrest - not, apparently, the one shown.