Quote Originally Posted by rdlangston13 View Post
i have the vault "maintenance free" system. i have no clue how it works and that scares me

Don't worry to much. Every time before you tow take a look at the inside and outside of the wheel and see if any oil has leaked out-it will leave a shiny trail down and puddle slightly on the rim lip-if no leak you should be good to go. If you see any, get the seals replaced pronto.