DEF tank capacity = 5.4 gal

[drmoose]

5.4 gal

Didn't see this anywhere in a forum search, so thought I'd put it here. Filled up at a truck stop yesterday (you have to prepay), and way overestimated how much I needed. With 3 bars left on the gauge, it took about <3 gal to fill to overflow....

 

[Stbentoak]

Best way to handle DEF? 1st low level warning, dump in 2.5 and move on. Never out, never gets old. Can go at least 6 months unless towing. If towing plan on monthly fill-ups.