Hyundai Ioniq: Maintenance / Engine Coolant/Inverter Coolant

Hyundai Ioniq (AE) 2017-2025 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) 2017-2025 Service Manual: General information

General Service Information Protection of the Vehicle Always be sure to cover fenders, seats, and floor areas before starting work. • The support rod must be inserted into the hole near the edge of the hood whenever you inspect the engine compartment to prevent the hood from falling and causing possible injury...

Hyundai Ioniq (AE) 2017-2025 Service Manual: ESP OFF Switch. Repair procedures

Removal1.Turn ignition switch OFF and disconnect the negative (-) battery cable.2.Remove the crash pad lower cover.(Refer to Body - "Crash Pad")3.Disconnect the crash pad side switch assembly.4.Check the continuity between the switch terminals as the ESP OFF switch is engaged...