Sorry to hear of your bad luck.
Don't forget that you most likely still need to report this accident to the DMV even if you settle this without insurance. I forget the dollar amount, but if the damage to property is higher than this amount you are required to report this under CA law. The cost of repairs from any mild to severe collision is usually high enough to trigger this.
If you go through your insurance usually they handle the filing of this report for you.
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