Quote Originally Posted by djrepoman View Post
Dex 6 will work just fine, as its been designed to be backwards compatible. Ive been running it in both of my Gps for 2 yrs now and over 65k miles with 0 issues
Dave from TEP recommends Dex III over Dex VI if it was factory filled with dex VI for reasons of viscosity.

Look up the specs on mobil's website.

Quote Originally Posted by Rather B Blown View Post
yeah just use dex6 the extra cost of synthetic isnt worth it
Dex VI costs just as much as synthetic Dex III here.