Maintenance

Battery (12V, Plug-in Hybrid Vehicle)

~2min read

WARNING

To prevent SERIOUS INJURY or DEATH to yourself or others, always follow these Precautions when working near or handling the battery:

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Always read carefully and follow the instructions when handling the battery.

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Wear protective goggles designed to protect your eyes from acid splashes.

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Keep all sources of fire, sparks, or smoking materials away from the battery.

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Hydrogen is always present in batteries, is highly flammable, and can explode if ignited.

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Keep batteries out of the reach of children.

Hyundai Ioniq. Battery (12 Volt, Plug-In Hybrid Vehicle)

Batteries contain sulfuric acid, which is highly corrosive. Do not allow acid to get in your eyes, on your skin, or on your clothing.

If acid gets in your eyes, flush your eyes with clean water for at least 15 minutes and seek medical attention immediately. If acid contacts your skin, thoroughly wash the area. If you feel pain or burning, seek medical attention immediately.

  • When lifting a plastic battery, excessive pressure on the case may cause battery acid leakage. Lift using the battery holder or by hand on opposite corners.
  • Do not attempt to jump start the vehicle if the battery is frozen.
  • NEVER attempt to charge the battery while the vehicle battery cables are connected to the battery.
  • The ignition system operates at high voltage. NEVER touch these components while the engine is running or when the engine Start/Stop button is in the ON position.

WARNING

CALIFORNIA PROPOSITION 65 WARNING

Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Batteries also contain other chemicals known to the State of California to cause cancer. Wash hands after handling.

NOTICE

  • When you will not use the vehicle for a long period in a low temperature area, disconnect the battery and store it in a warm place.
  • Always fully charge the battery to prevent damage to the battery case due to low charge in low temperature areas.

Test yourself

A quick Hyundai Ioniq quiz: every answer comes with an explanation and a link to the manual page.