Hyundai Elantra CN7: Battery - Maintenance - Hyundai Elantra CN7 2021–2024 Owners ManualHyundai Elantra CN7: Battery

WARNING

To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these precautions when working near or handling the battery:

If acid gets into your eyes, flush your eyes with clean water for at least 15 minutes and get immediate medical attention. If acid gets on your skin, thoroughly wash the area. If you feel pain or a burning sensation, get medical attention immediately.

  • When lifting a plastic-cased battery, excessive pressure on the case may cause battery acid to leak. Lift with a battery carrier or with your hands on opposite corners.
  • Do not attempt to jump start your vehicle if your battery is frozen.
  • NEVER attempt to recharge the battery when the vehicle’s battery cables are connected to the battery.
  • The electrical ignition system works with high voltage. NEVER touch these components with the engine running or when the ignition switch is in the ON position.
  • Do not allow the (+) and (-) jumper cables to touch. It may cause sparks.
  • The battery may rupture or explode when you jump start with a low or frozen battery.
  • Leaked battery electrolyte due to repeated driving on sharp curves (e.g. on circuits) may cause safety problem. Avoid repeated driving on sharp curves.

NOTICE

  • When you do not use the vehicle for a long time in a low temperature area, disconnect the battery and keep it indoors.
  • Always charge the battery fully to prevent battery case damage in low temperature areas.

NOTICE

If you connect unauthorized electronic devices to the battery, the battery may be discharged. Never use unauthorized devices.

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 capacity label

1. AGM70L-DIN: The HYUNDAI model name of battery

2. 12V : The nominal voltage

3. 70Ah (20HR): The nominal capacity (in Ampere hours)

4. RC 120min: The nominal reserve capacity (in min.)

5. CCA: The cold-test current in amperes by SAE

6. 760A: The cold-test current in amperes by EN

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 ignition switch to the LOCK/OFF position.
  • Keep all flames, sparks, or smoking materials away from the battery.
  • Always work outdoors or in an area with plenty of ventilation.
  • Wear eye protection when checking the battery during charging.
  • The battery must be removed from the vehicle and placed in a well ventilated area.
  • Watch the battery during charging, and stop or reduce the charging rate if the battery cells begin boiling violently.
  • Vehicle is equipped with the Absorbent Glass Mat (AGM) battery. Do not charge the AGM battery with a general charger. It may damage or explode the AGM battery. Only charge the AGM battery with a charger that has AGM battery setting.
  • The negative battery cable must be removed first and installed last when the battery is disconnected. Disconnect the battery charger in the following order:
    1. Turn off the battery charger main switch.
    2. Unhook the negative clamp from the negative battery terminal.
    3. Unhook the positive clamp from the positive battery terminal.
  • Always use a genuine HYUNDAI approved battery when you replace the battery.

NOTICE

AGM battery

  • Absorbent Glass Matt (AGM) batteries are maintenance-free and we recommend that the AGM battery be serviced by an authorized HYUNDAI dealer. For charging your AGM battery, use only fully automatic battery chargers that are specially developed for AGM batteries.
  • When replacing the AGM battery, we recommend that you use parts for replacement from an authorized HYUNDAI dealer.
  • Do not open or remove the cap on top of the battery. This may cause leaks of internal electrolyte that could result in severe injury.

By jump starting

After a jump start from a good battery, drive the vehicle for 20-30 minutes before it is shutoff. The vehicle may not restart if you shut it off before the battery had a chance to adequately recharge. See “Jump Starting” in chapter 7 for more information on jump starting procedures.

Information

An inappropriately disposed battery can be harmful to the environment and human health. Dispose of the battery according to your local law(s) or regulations.

Reset items

Items should be reset after the battery has been discharged or the battery has been disconnected.

  • Auto up/down window (See chapter 5)
  • Sunroof (See chapter 5)
  • Trip computer (See chapter 4)
  • Climate control system (See chapter 5)
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