Which specification does Automatic transmission fluid (ATF) need for the Kia Optima 1.6 T-GDI (2019–2020)?

Automatic transmission fluid (ATF) for the Kia Optima 1.6 T-GDI (2019–2020): 70W-75, API GL4.

Which specification does Brake fluid need for the Kia Optima 1.6 T-GDI (2019–2020)?

Brake fluid for the Kia Optima 1.6 T-GDI (2019–2020): DOT 3, FMVSS 116 DOT 3.

Suitable for Kia Optima 1.6 T-GDI (2019–2020)

For the Kia Optima 1.6 T-GDI (2019–2020), the manufacturer specifies motor oil 0W-30 (ACEA A5, ACEA B5, ACEA C3), 0W-40 (ACEA C3, API SP), 10W-30 (ACEA A3, ACEA B4, API SL), 15W-40 (ACEA A3, ACEA A3/B4, ACEA B4), 20W-50 (ACEA A3, ACEA A3/B4, ACEA B4), 5W-20 (ACEA C5, API SN, API SQ), 5W-30 (ACEA A1, ACEA A3, ACEA A5), or 5W-40 (ACEA A3, ACEA B4, ACEA C3).

Fluids and approvals for the Kia Optima 1.6 T-GDI (2019–2020)

Fluid	Requirement
Motor oil	0W-30: ACEA A5, ACEA B5, ACEA C30W-40: ACEA C3, API SP10W-30: ACEA A3, ACEA B4, API SL15W-40: ACEA A3, ACEA A3/B4, ACEA B420W-50: ACEA A3, ACEA A3/B4, ACEA B45W-20: ACEA C5, API SN, API SQ5W-30: ACEA A1, ACEA A3, ACEA A55W-40: ACEA A3, ACEA B4, ACEA C3
Automatic transmission fluid (ATF)	70W-75, API GL4
Brake fluid	DOT 3, FMVSS 116 DOT 3