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ninalanyon Why do a simple thing simply, eh, Herr Mercedes?
This reminds me of a friend's experience many years ago, as she related to me:.
Anne and her husband needed a car each because they worked quite a long way apart, and about twenty miles from their home village that is nowhere near any public transport. So they needed save to buy something new, replacing their faithful but ageing BMC Minis.
So off trots Anne to a Vauxhall dealer, having decided the basic model Nova would suit her commuting and her bank-balance. Radios were among the optional extras...
"May I have a cassette-player instead, please?"
"Sorry ma'am", the dealer replied. "That's not on the Approved List of Extras for the Nova L."
Approved by whom and why, thinks I... Anne stuck to her guns. "I know perfectly well a cassette-player will fit the same space and wiring - and doesn't need an aeriel!"
Sensing he was losing the sale, the dealer magically found you could fit a cassette-player in a Nova L.
Anne now owns a Honda (I think) hybrid... The worst thing about it, she said, is its frightening side-guard system that grabs the steering if it "thinks" you are about to hit the wall, but the margin is quite wide and not always welcome when you live in a rural area with some narrow roads and wide vehicles. You can switch it off, but like a cookie-filter, have to do so for every new journey.