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Hello, my name is***** can be caused by a few things. Most of the time this is caused by a key issue. I would try another key if you have one. If that does not help then you will need to try jumping the car. Even though the batteries are new there may be an issue with a battery draw which caused it to get low. It can also be caused by a defective ignition switch. I would definitely try a second key first if you have one. If you need more help please let me know.