There is no access to my trunk area or battery thru a panel between the rear seats, is there another access

What is your question?

My vehicle has not been driven in about six months, and the battery is dead. I would like to get access to the battery, but there is no access between the rear seats as I've seen in my research

What makes this problem better or worse?

no access to battery

How long has your 2008 Cadillac CTS had this problem?

about 4 weeks