A recent purchase was this semi flexible lecture pointing stick, pictured on my Caravelle Blinds pack as a clue...
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The Caravelle doesn't have swivel seats or the handy B Pillar interior lock button and when "camping" in the back it's hard to reach the driver's door.
Yes I could take the door card off, the step and the B Pillar trim and spend a day putting my own switch in (I still might if I find guides to remove the trim) but for now this £4 stick solves the issue nicely
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It now lives in the blinds pack, particularly after MrsRT asked why I had bought a Police Baton when I left it in the door pocket