My DTS stalls when I shift from reverse to park. It does it when I first use it in the morning and is fine for the rest of the day. I have 118,000 miles. After I re-start it, it seems to slip in drive until I just get it going. Searched but found no remedies or ideas.

 

It was low on fluid!!!

 

I believe it is common for the transmission cooler lines to leak on these cars. I know mine do!