Exhaust system regen 4 times in a month and DEF level not changing
What gives, guys? For the 4th time in the past several weeks I've gotten the exhaust regen message eventhough I've driven a ton. I also noticed a while back that I hadn't been prompted to refill my DEF so I checked the level on the EVIC and it was about 20% full a month ago. Just checked and it's still at the same level. These might be unrelated events but thought it seemed odd. Any ideas? I'm scheduled for a service on Tuesday to check it out but I'd like to have some clue about what's going on with it before I take it to them.
Current: 2015 Overland. Oil burner, baby! Black on beige.
Traded: 2014 Overland. V8. 4x4. Black on black.