Manual says 5 30 regular or 10 30. Oil cap lists 5 20 and to replace every 7.5 k miles. Dealer said to use Synthetic blend 5 30 and to change every 4k miles.
Oil threads never end and it seems as though everyone has an opinion, but go by the owner's manual 2017 SF, 2.4, 5-20 or 5-30 every 7500 miles. As far as oil, I'd go cheap and the only reason I say Walmert SuperTech sythetic 5-30 is not only because of the price 5qts $17, it's dexos approved and SN plus. Sam's club also has Prime synthetic blend, 5-30 SN plus $1.79 qt. Been using both for years in the 2.0T, 2..4, as well as Acura, Jeep, Nissan, etc. and as with most all oils, no problems, these are just inexpensive and do their job.
+1 on Wally World for oil. Also at one point they were selling the Hyundai oil filter. Apparently they have begun selling a lot of foreign OEM filters even though the bulk of OE stuff is ACDelco and Motorcraft.
One thing I forgot to mention...the crush washers. Very important to change out along with the dirty oil. Have gotten 2 changes out of them (when I ran out) but can be found online for cheap or talk to a dealer parts counter they will discount if you buy in bulk
The official word is what is in your manual. Everything else is only a suggestion.
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