Have 2007 xlr , while driving just shuts down, always starts back up

What is your question?

but shuts down again And again! Had towed out Joseph Cadillac, but in new battery, shuts down again! Can't even drive it, to scary! Help

What makes this problem better or worse?

Nothing , starts but always shuts down anytime

How long has your 2007 Cadillac XLR had this problem?

Problem since July, only has 28,000 miles on it