I think that 1 and 2 still can entail the same problems though. If it helps you check your blind spot you might occasionally stop checking yourself and rely on

I think that 1 and 2 still can entail the same problems though. If it helps you check your blind spot you might occasionally stop checking yourself and rely on it to check for you. Then you implicitly start relying on that feature to work. It's different degrees of handing over control though.