Well i'm not exactly sure your conspiracy type thinking is accurate....but it is somewhat convincing.
What's confusing is why a dealership would be so wrong on this.....and not have tons of lawsuits for wrecked transmissions.
oh well...
I know this is a SUPER old post...but I thought it was funny to find it in google.
I just recently contacted TWO DC dealerships here in town and they both told me that it was OK to use ATF+4 instead of Dex in my AW4 tranny. You can go that way but don't go the other way. And the guy that told...