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MarkEHansen · 01-10-2019, 03:49 PM

When I purchased my truck, it had 130 miles on it (it was new, but the dealer said it had been driven to another dealership for a sale which fell through). I now have a little or 300 miles on it and just got a warning message in the driver's information center that my DEF is low and I have only about 340 miles remaining.

My question is this: Should the dealer have filled the DEF tank as part of the sale? They filled the fuel tank and washed it. I'm really surprised they didn't fill the DEF.

Our truck came with one free "check-up" in which they promised to change the oil/filter, top off the DEF and do a number of other inspections. I was told to bring it in around 5000 miles for this service. Seems strange that they would offer to top off the DEF at 5000 miles but send me out the door with a virtually empty DEF tank.

I plan to go to Walmart and get a couple jugs and fill the tank this weekend.

Thanks for any opinions.

01-10-2019, 03:49 PM	#42
MarkEHansen Senior Member Join Date: Oct 2018 Location: Sacramento Posts: 1,005	When I purchased my truck, it had 130 miles on it (it was new, but the dealer said it had been driven to another dealership for a sale which fell through). I now have a little or 300 miles on it and just got a warning message in the driver's information center that my DEF is low and I have only about 340 miles remaining. My question is this: Should the dealer have filled the DEF tank as part of the sale? They filled the fuel tank and washed it. I'm really surprised they didn't fill the DEF. Our truck came with one free "check-up" in which they promised to change the oil/filter, top off the DEF and do a number of other inspections. I was told to bring it in around 5000 miles for this service. Seems strange that they would offer to top off the DEF at 5000 miles but send me out the door with a virtually empty DEF tank. I plan to go to Walmart and get a couple jugs and fill the tank this weekend. Thanks for any opinions. __________________ 2022 Cedar Creek Champagne 38EL - "Big Bertha" 2019 GMC Sierra 3500 Denali HD 6.6L Duramax TD, CC, 4WD, DRW - "Mr. Beefy"