The experts at Oil Can Henry's wear bow ties and newsboy hats, hinting at pleasant anachronism. Completing the effect of having stepped back in time, however, drivers remain in their cars, flipping open free newspapers as though they were in a mid-century service station. As Henry's knowledgeable technicians whip through oil changes, reviving autos with a lube job, fluid top-off, visual inspection, and other services, patrons look on via a video monitor. The close-up vantage point and tips from the workers help guests learn new things about their autos and not to be too grossed out to touch the headlights anymore.
A range of Castrol motor oils, each designed to meet unique driving conditions and vehicular needs, waits on shelves, and fuel additives give an additional boost. Within the sheltered bays, the crew provides further maintenance services such as cooling-system flushes and constructive criticism of homemade hood ornaments.