As harry walks out of the supermarket, he sees his parked car get hit by another car. he tries to memorize the make, model, and license plate number of the other car. according to baddeley's model, he is using his working memory's

 Harry is using his working memory's "Visuospatial Sketchpad".

is a part of Working Memory Model proposed by Alan Baddeley and Graham Hitch in the year 1974. The Visuospatial Sketchpad also known as VS is the segment of one's ordinary mental facility which gives a virtual domain to physical recreation, computation, perception and optical memory recall.