Yes, the DEF tank is insulated and the lines are heated to help prevent this.
It's always needed (UREA/DEF), and constantly injected into the DPF/DOC system to keep emissions in check.
I've owned a diesel since 06 an never could tell much difference between using one or not. I will say for the colder climates anti gel additives are most definitely needed, frozen fuel is never good.
I use the blue DEF from Walmart. Others have talked about just filling it up at the big rig pump because it's cheaper. Just watch out for the DEF you buy as it has an expiration date.
Welcome!
Unloaded Highway mileage is around 28-30 MPG as from my experiences.
Loaded it varies by weight. You made a great choice. Good idea on the 4x4 as resell value will be a lot better if you ever decided to sell it.
Post some pictures!
Welcome to the site! Be sure to post some pictures. Tuners will be here soon, the market is to big for the tuning companies!
We're a new site, be sure to share with your friends.
What method does everyone use?
I purchased a Foam Cannon to attach to my pressure washer and now I don't even poor soap in a bucket! :D
What I use:
M&H Foam Gun
Mr. Pink Car Wash
Wash Mitt (Soft Wool)
Tire Cleaner
I haven't video recorded myself washing my truck, but here is an example of...