Hyundai Ioniq: Maintenance / Hybrid Starter & Generator (HSG) Belt

Changing Coolant

Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this chapter. WARNING Do not use engine coolant or antifreeze in the washer fluid reservoir...

Checking the Hybrid Starter & Generator (HSG) Belt

Have the hybrid starter & generator (HSG) belt inspected or replaced according to the Maintenance Schedule in this chapter by an authorized HYUNDAI dealer...

Other information:

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Plug-in Hybrid Mode (Plug-in hybrid vehicle)

EV/HEV Button Pressing the [EV/HEV] button changes the plug-in hybrid system modes, between Electric (CD) mode and Hybrid (CS) mode. Each time the mode is changed a corresponding indicator is displayed on the instrument cluster as follows. Plug-in Hybrid Mode Indicator • CD (Charge Depleting, Electric) mode : The high-voltage (hybrid) battery is used to drive the vehicle...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Special service tools

Special Service Tools Item Illustration Application Fuel Pressure Gauge(09353-24100)Measuring the fuel line pressureFuel Pressure Gauge Adapter(09353-02100)Connection between the high pressure fuel pump and the fuel feed lineHeated Oxygen Sensor Socket Wrench(09392-1Y100)Removal and installation of the heated oxygen sensor※ SST No...