Ok, I went ot clean my windshield with cleaner and I lifted the arm to clean the blade also and the arm locked in place at about 45*. I have never messed with a mono-wiper and I cannot see how to release it. I was used to a full 90* and for some reason thought this was the same. Iknow, I know, DA me. What is so simple that I cannot see?
Bud

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1987 300D Turbo, 175k mi., 1998 BMW 323i Convertible, 1997 F250 4x4 7.3L PSD