Hyundai Ioniq: Battery (12 Volt, Plug-In Hybrid Vehicle) / For Best Battery Service

Hyundai Ioniq (AE) 2017-2025 Owner's Manual / Maintenance / Battery (12 Volt, Plug-In Hybrid Vehicle) / For Best Battery Service

Hyundai Ioniq. For Best Battery Service

Keep the battery securely mounted.
Keep the battery top clean and dry.
Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease.
Rinse any spilled acid from the battery immediately with a solution of water and baking soda.

Battery (12 Volt, Plug-In Hybrid Vehicle)

WARNING To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these precautions when working near or handling the battery: Always read and follow instructions carefully when handling a battery...

Battery Recharging

WARNING Always follow these instructions when recharging your vehicle's battery to avoid the risk of SERIOUS INJURY or DEATH from explosions or acid burns: Before performing maintenance or recharging the battery, turn off all accessories and place the Engine Start/ Stop button in the OFF position...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Description and operation

DescriptionEmergency Call (eCall)When an accident occurs or the user's request is detected, it notifies the call center of the vehicle status using the wireless network so that the center can provide necessary emergency service. 1. Emergency Call2...

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Plug-in hybrid mode indicator

CD (Charge Depleting, Electric) mode : The high-voltage (hybrid) battery is used to drive the vehicle. CS (Charge Sustaining, Hybrid) mode : The high-voltage (hybrid) battery and gasoline engine is used to drive the vehicle. Information Even when the battery charging rate is high and driving in electric mode is possible, engine may turn on in some areas to protect the system...