That's what I was gonna say, and is why I asked. MY GAWD, a 6 year old battery???

Now, the reason I asked about miles was, I am trying to see when the CPS goes bad. Seems like everyone who complains abotu one has 30 to 60K on their cars. I have 20K on mine, so I guess I'll maybe buy one, but keep it in the trunk for emergency use (by me or someone else at a GTG).

As for me, I replaced my original battery in my 2005 (built in 2004) last fall before heading off to the Dragon. REPLACE your battery - mine was $90 at O'Reilly's. I once got stranded in a Dodge Durago that was acting like your XF, all it was, was a bad battery.