Hyundai Ioniq: Maintenance / Maintenance Services
You should exercise the utmost care to prevent damage to your vehicle and injury to yourself whenever performing any maintenance or inspection procedures.
We recommend you have your vehicle maintained and repaired by an authorized HYUNDAI dealer. An authorized HYUNDAI dealer meets HYUNDAI's high service quality standards and receives technical support from HYUNDAI in order to provide you with a high level of service satisfaction.
Owner's Responsibility
Maintenance service and record retention are the owner's responsibility. You should retain documents that show proper maintenance has been performed on your vehicle in accordance with the scheduled maintenance service charts shown on the following pages. You need this information to establish your compliance with the servicing and maintenance requirements of your vehicle warranties.
Detailed warranty information is provided in your Owner's Handbook & Warranty Information booklet.
Repairs and adjustments required as a result of improper maintenance or a lack of required maintenance are not covered.
Owner Maintenance Precautions
Inadequate, incomplete or insufficient servicing may result in operational problems with your vehicle that could lead to vehicle damage, an accident, or personal injury. This chapter provides instructions only for the maintenance items that are easy to perform. Several procedures can be done only by an authorized HYUNDAI dealer with special tools. Your vehicle should not be modified in any way. Such modifications may adversely affect the performance, safety or durability of your vehicle and may, in addition, violate conditions of the limited warranties covering the vehicle.
Certain modifications may also be in violation of regulations established by the U.S. Department of Transportation and other federal or state agencies.
NOTICE
Improper owner maintenance during the warranty period may affect warranty coverage. For details, read the separate Owner's Handbook & Warranty Information booklet provided with the vehicle. If you're unsure about any service or maintenance procedure, have it done by an authorized HYUNDAI dealer.
Engine Compartment
■ Hybrid vehicle
1. Engine oil filler cap
2. Engine oil dipstick
3. Engine coolant cap
4. Engine coolant reservoir
5. Inverter coolant reservoir
6. Brake fluid reservoir
7...
Owner Maintenance
WARNING
Performing maintenance work on a vehicle can be dangerous. If you lack sufficient
knowledge and experience or the proper tools and equipment to do the work, have
it done by an authorized HYUNDAI dealer...
Other information:
Hyundai Ioniq (AE) 2017-2024 Service Manual: Radiator. Repair procedures
Removal1.Remove the 12 V battery (-) cable.2.Remove the undercover.(Refer to Engine Mechanical System - "Engine Room Undercover".)3.Drain the coolant from the hybrid cooling system.(refer to Hybrid Motor Cooling System - "Coolant".)4.Remove the engine radiator...
Hyundai Ioniq (AE) 2017-2024 Service Manual: Inspection
Inspection[Battery Pack Assembly Troubleshooting Chart] • For SOC check, refer to "SOC Inspection"• For voltage check, refer to "Battery Voltage Inspection"• For battery voltage sensing circuit, refer to "Voltage Sensing Circuit Inspection"• For isolation resistance check, refer to "Isolation Resistance Inspection" [SOC Level and Follow-up] SOC Symptom Warning Lamp Follow-up MIL Service Fuel • Normal --- 10 - 15% • Motor torque limite (Acceleration delay)--ON• Refuel and check the SOC againON--• Repair the MIL or Service Lamp related system• Charge the battery by starting the engine• Refuel if necessary ONON--ON-OnONON 5 - 10% • EV Mode inhibited • FATC Inhibited • LDC Inhibited --ON• Refuel and check the SOC againON--• Repair the MIL or Service Lamp related system• Charge the battery by starting the engine • Refuel if necessaryONON--ON-ONONON 0 - 5% • Impossible to start ON--• Repair the MIL or Service Lamp related system• Start the engine with GDS to charge the battery• Refuel if necessary ONON--ON-ONONON 0% ON--• Repair the MIL or Service Lamp related system• If necessary, Replace Battery Pack• Refuel if necessary [SOC Inspection]1...
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Rear Seats
Folding the rear seat
The rear seatbacks can be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle.
WARNING
Never allow passengers to sit on top of the folded down seatback while the vehicle is moving. This is not a proper seating position and no seat belts are available for use. This could result in serious injury or death in case of an accident or sudden stop. Objects carried on the folded down seatback should not extend higher than the top of the front seatbacks. This could allow cargo to slide forward and cause injury or damage during sudden stops.