Maybe you'll find this helpful:

Hyundai Sonata Common Problems, DIY Repair Guides, & Vehicle Maintenance Instructions - 2011, 2012, 2013 and 2014 Model Years

Links to my repair and vehicle maintenance how-to guides for the 2011, 2012, 2013 and 2014 Hyundai Sonata.

www.paulstravelpictures.com

 

Circuitsmith the link you provided if for model year 2014 and below which is the previous generation. Are they interchangeable?

 

It should be pretty similar 2014 vs 2015.
There's mostly two types of interior lights these H/K cars use.
Peanut shape or cylindrical.
It's mainly the covers that change appearance year to year.

 

DIY: switching to LED interior lighting, trunk and...

Hopefully this guide will help answer some questions people have. You will need: -Interior trim removal tool -Map light, 2 x T10 LED -Rear Dome light, 1 x 30mm or 31mm festoon LED -Vanity light, 2 x 28mm festoon LED -Glove box light, 1 x 30mm or 31mm festoon LED -Trunk light, 1 x 30mm or...

www.hyundai-forums.com

 

Here's the list for 2017, which works on 2016/2015 models as well. All my bulbs, with exception of headlights, are LED type. I got LED strip that will replace single LED bulb in the trunk.
2017 Sonata Bulbs | Hyundai Forums (hyundai-forums.com)