can only be classed as obscure. TIO/15 In Reversing light. T20 Indicator bulb in the indicators.after that I gave up. as they were a pig to fit plug and play yes right.after moving the inside front boot trim, removing the boot seal, and prying both side panels to get to the connectors that were clipped on to the side panels then the old lights could be removed.piece of cake then plugged new lights in then the moment of truth would they illuminate only after the T10s were replaced with my infamous replacements all checked out ok, a case of everything in reverse.one word of warning it is a two man job to stop the paint from getting scratched to death.