Hyundai IONIQ Electric Owner's Manual page 536

Specifications & Consumer information
R R E E C C O O M M M M E E N N D D E E D D L L U U B B R R I I C C A A N N T T S S A A N N D D C C A A P P A A C C I I T T I I E E S S
To help achieve proper vehicle performance and durability, use only lubricants of the proper quality.
These lubricants and fluids are recommended for use in your vehicle.
Lubricant
Reduction gear fluid
without heat pump
Coolant
with heat pump
Brake fluid
8-6
Volume
1.0 ~ 1.1 l
70W, API GL-4, TCGO-9(MS517-14)
(1.0 ~ 1.1 US qt.)
4.1 ~ 4.2 l
(4.33 ~ 4.44 US qt.)
Designated coolant water for electric vehicles
4.6 ~ 4.7 l
(4.86 ~ 4.97 US qt.)
SAE J1704 DOT-4 LV,
0.7~0.8 l
FMVSS 116 DOT-4,
(0.74~0.85 US qt.)
ISO4925 CLASS-6
Classification