What is the Security indicator light on the dash?
Your Altima comes from the automaker with a security system built into it. You’ll notice that the Security indicator light blinks in the dash – it should do this when the key is off (or not inserted), when you turn it to lock or when you have it in the accessory position. All this means is that the system is working normally and there’s nothing to worry about. The light looks like the outline of a car with a key inside it.
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