Take the turn by the Pizza Hut as indicated in the picture above and go straight ahead... 

...till you see Top Nosh Café on your right (see picture above). Then take slight right as indicated by arrows in the picture above and go straight ahead...

...till you see Yummy House on your right. Then take the first right and you'll find yourself on Seymour road (picture below).

Drive straight ahead (as indicated by arrows in the picture above) to Oatley's trading estate.