Auto World Thunderjet 1965 VW Beetle (Black wYellow Flames)

vw slotExcept for one famous film star, the humble Beetle is not always thought of as the spriteliest of racing cars. But in some series, the little VW has proved to be quite the competitiveThere's really only one thing on that dash that actually baffles me: some little slots, set in plastic. What are they? Are they a vent? A sensor