https://www.amazon.ca/Genuine-OEM-Hyundai-Filter-26300-35504/dp/B077W4K176
https://www.amazon.ca/Castrol-03084-5W-30-Synthetic-Motor/dp/B00ICSWGJ0
https://www.dropbox.com/s/ekos4tst9fnto1z/_content_ownership_ownersmanual_20forte.pdf?dl=0
You can download my copy of the owner's manual in PDF. It shows the advised intervals for normal usage vs. severe usage conditions (10,000 km; 6200 miles vs 5,000 km; 3100 miles).
The following fall in their severe condition classification:
A- Repeatedly driving short distances of less than 8 km (5 miles) in normal temperature or less than 16 km (10 miles) in freezing temperature
B- Extensive engine idling or low speed driving for long distances
C-Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D-Driving in areas using salt or other corrosive materials or in very cold weather
E-Driving in heavy dust distances
F - Driving in heavy traffic areas
G- Driving on uphill, downhill, or mountain roads repeatedly
H-Towing a Trailer, or using a camper, or roof rack
I -Driving as a patrol car, taxi, other commercial use or vehicle towing
J - Driving over 170 km/h (106 mph)
K-Frequently driving in stop-and-go conditions