The oil change intervals on your 2nd gen Rogue as the same for all previous models, including the 1st gen.
The maintenance notice popped up for 3k miles because your vehicle is new. The explanation is that there may be some contaminants in the system that worked loose doing this break-in period. Some people see this as a way to sell unneeded service. IF
you're going to trade the the car, then follow all recommended service (and keep records), as you can get a higher trade value for it, if it can be listed as 'certified'.
When you buy a new car, change your oil at 3,000 miles to remove metal particles from the engine break-in process. There might be a grain of truth to this, according to the experts at Blackstone. Oil samples from engines during the first 3,000 miles of driving show elevated "wear-in" metal levels, coming from the pistons and camshafts, says Ryan Stark, Blackstone's president. But he added, "To me, it doesn't make that much difference because if the filings are big enough to cause damage, they will be taken out by the oil filter."