DEF Shelf Life!
Just a quick tip for those that are new to Diesels with all of the newer emission controls. DEF apparently has a shelf life and using anything other than DEF bought from the dealer may void your warr...
Forum Discussion
Manguson-Moss Warranty Act allows you to purchase DEF from any source, just as it would oil, filters, or other items. They can't disallow warranty based upon where you bought DEF.
Magnuson-Moss
Magnuson-Moss
