Hyundai Ioniq: Maintenance / Engine Coolant/Inverter Coolant

Hyundai Ioniq (AE) 2017-2023 Owner's Manual / Maintenance / Engine Coolant/Inverter Coolant

The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory.

Check the antifreeze protection and coolant level at least once a year, at the beginning of the winter season and before traveling to a colder climate. Checking the Coolant Level Check

Checking the Engine Oil and Filter

Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this chapter. WARNING CALIFORNIA PROPOSITION 65 WARNING Engine oil contains chemicals known to the State of California to cause cancer, birth defects and reproductive harm...

Checking the Coolant Level

■ Engine coolant ■ Inverter coolant Check the condition and connections of all cooling system hoses and heater hoses. Replace any swollen or deteriorated hoses...

Other information:

Hyundai Ioniq (AE) 2017-2023 Owner's Manual: How to Disconnect the (-) Cable for Regular Maintenance (Hybrid vehicle)

When the vehicle is under regular maintenance, make sure to separate the (-) cable before maintenance. Separate the (-) cable following the below instructions. 1. Fold the rear left side seat. 2. Remove the service cover (A) on the luggage trim. 3. Separate the (-) cable (B)...

Hyundai Ioniq (AE) 2017-2023 Owner's Manual: Rear Seat Belt – Passenger's 3- point system with convertible locking retractor

This type of seat belt combines the features of both an emergency locking retractor seat belt and an automatic locking retractor seat belt. Convertible retractor type seat belts are installed in the rear seat positions to help accommodate the installation of child restraint systems...