My G37 repeatedly won’t start on cold mornings. Has anyone else had the same problem? I keep having to jump my battery in order for my car to start. The battery is new and so is the starter. Has anyone had luck replacing their battery with a “cold weather” battery? (See link below) Frustrated I have to jumpstart my car every cold morning! Any tips or recommendations from others who have had the same issue are appreciated.

https://www.autozone.com/diy/battery/best-car-batteries-for-cold-weather

 

Have you checked the battery cables to make sure you're getting clean contact? Check both ends of the ground cable.

 

Thanks dkmura, the cables on the battery are definitely connected well.

 

Parasitic drain?

 

Had this problem for years. It would always start after a few attempts though. Turns out my negative cable wasn't tight enough. Had to buy a new cable as it had become loose from me taking it on and off when working on my car. You should be able to give your cables very firm tugs without them moving on the battery post.