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Actually this is most likely an issue with the passlock system. If the car is blinking "security" in the message center, turn the key to on position but do not try to start it. Let it sit for about 10 minutes with the key still in the on position. Once the "security" warning stops blinking, turn the key and it should start right up.

I have had this problem for over a year now. I realized that using the key to unlock the door and locking the doors from inside when leaving the car greatly reduces the amount of times that this happens. I also no longer activate the car alarm as this seems to be part of the issue too.

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Q: 2002 Chevy Impala won't start at times Changed ignition switch battery alternator uplugged trunk light and door locks Any suggestions?
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