Coming down road and then going up hill and
about half way up it felt like it going into neutral so
I pulled over and put it in low and went on home in
Sure does sound like the transmission, or something related to it. Have a local shop look it over for you.
have you checked your trans fluid, when was it last changed, is it low
Search Cadillac DeVille Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Cadillac DeVille Experts