Hyundai KONA EV, SX2 EV (USA)

Coolant capacity & service interval

Hyundai KONA EV, SX2 EV (USA) requires coolant with a capacity range of 12,9 to 14,27 liters. The service interval for the fluid is 120000 miles. The data covers 2 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • KONA EV 48.4 kWh (2024- )
  • Hot radiator emblem cap
  • Use: Normal
  • Capacity 12,9-14,27 liter
  • Change 120000 miles
  • KONA EV 65.4 kWh (2024- )
  • Hot radiator emblem cap
  • Use: Normal
  • Capacity 12,9-14,27 liter
  • Change 120000 miles

Additional Notes

  • The Hyundai KONA EV coolant system capacity is listed as a range of 12.9 to 14.27 liters, which reflects a service fill figure rather than a fixed overhaul volume, accounting for variation in how fully air is purged from the system during a refill.
  • Both the 48.4 kWh and 65.4 kWh battery configurations share an identical capacity range of 12.9 to 14.27 liters, indicating no difference in cooling system volume between the two powertrain variants for the 2024 model year.
  • The coolant change interval for both configurations is set at 120,000 miles under normal use conditions, which is a notably long service life consistent with modern long-life coolant formulations used in electric vehicle thermal management systems.
  • The normal use condition tied to the 120,000-mile interval applies equally across both the 48.4 kWh and 65.4 kWh variants, with no separate severe-use interval listed for either configuration.
  • Both rows carry a note referencing a hot radiator emblem cap, which indicates the coolant reservoir or radiator cap on the KONA EV is located behind or integrated with the front emblem, a design feature relevant to safe coolant access and service procedure awareness.

Other Systems