Engineers design to consider realistic potential failures in real world conditions... like a screwdriver could be used for prying, and if it snapped, injuring a user, under reasonable prying conditions, the engineer would be at fault. It can fail, but it must not fail in a way that is likely to cause injury. This is fundamental engineering ethics - stuff that every engineer learns as part of their degree and must pass an exam on in order to practice.
It is not unreasonable that a user might have a heavy key chain, and so that should be considered in the design from the get-go. Mistakes do happen, but there are usually consequences.
I have not heard of significant issues with SAAB ignition switches failing in ways that cause issues while driving. Usually you would not want your pet to move between front and rear seats while driving anyway - that's a fairly decent safety hazard on it's own!Posts in this Thread:
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