Car will not turn over at all. drove it to a location, got in it to leave on 2010 Nissan Maxima

would not even go to acc mode to run radio or operate windows. steering will not lock either which may be part of the issue. is there any way to bypass anything to at least start it to get it to the dealer?

Tow truck. Locksmith may be able to help. I assume you mean the key won't turn since you say steering will not lock.
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If everything is dead ,then I would suspect the battery or main fuse .Check the main fuse or loose wiring .