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I've been learning this technology has flaws. I work with processors with nano second clock precision. Unable to detect a stationary object in 3-4 seconds is simply bad design/tech. I personally would turn the AP off.
I'd argue over a period of time the driver becomes complacent/over-confident in the AP's ability. Also the periodic updates could change the behavior (for better or worse) and the driver is clueless of its side effects.