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 Owner's Manual: 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. CAUTION When the HSG belt is worn out or damaged, replace the belt. Otherwise, it may cause engine overheating or battery discharge...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Stop Lamp Switch. Schematic diagrams

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