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Need "Warning" lights - Red, Yellow and Green for Android apps
This is true. In fact, the car analogy was one I was thinking about discussing. The check engine light is analogous to "caution" (Oxygen sensor or some usually minor problem) and the red oil light is analogous to "critical warning". People don't drive long (one way or the other) with the red engine oil light on, but while advisable to get the engine checked you can usually drive a long time with the Check Engine light on.