2021-2026 Hyundai Ioniq SUV Maintenance -> Battery (12 volt) User Manual
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Maintenance -> Battery (12 volt) for Your Hyundai Ioniq SUV First Generation (2021-2026)

09  
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śꢀ When lifting a plastic-cased battery,  
WARNING  
excessive pressure on the case may  
cause battery acid to leak. Lift with a  
battery carrier or with your hands on  
opposite corners.  
To prevent SERIOUS INJURY or DEATH  
to you or bystanders, always follow  
these precautions when working near  
or handling the battery:  
śꢀ Do not attempt to jump start your  
vehicle if your battery is frozen.  
Always read and follow  
instructions carefully when  
handling a battery.  
śꢀ NEVER attempt to recharge the  
battery when the vehicle’s battery  
cables are connected to the battery.  
śꢀ The electrical ignition switch works  
Wear eye protection designed  
to protect the eyes from acid  
splashes.  
with high voltage. NEVER touch  
these components with the “  
indicator ON or when the START/  
STOP button is in the ON position.  
”
Keep all flames, sparks, or  
smoking materials away from  
the battery.  
NOTICE  
Always follow these instructions when  
handling your vehicle’s battery to  
prevent damage to your battery:  
śꢀ When you do not use the vehicle for a  
long time in a low temperature area,  
disconnect the battery and keep it  
indoors.  
Hydrogen is always present  
in battery cells, is highly  
combustible, and may explode  
if ignited.  
Keep batteries out of reach of  
children.  
śꢀ Always charge the battery fully to  
prevent battery case damage in low  
temperature areas.  
śꢀ Prevent liquid from wetting the  
battery terminals. The performance  
of the battery may be degraded, and  
may cause injury. Be cautious when  
loading liquid in the tailgate.  
Batteries contain sulphuric  
acid which is highly corrosive.  
Do not allow acid to contact  
your eyes, skin or clothing.  
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.  
śꢀ Do not tilt the battery.  
śꢀ If you connect unauthorised  
electronic devices to the battery, the  
battery may be discharged. Never  
use unauthorised devices.  
9-19  
Maintenance  
For best battery service  
Battery capacity label  
ONE1091009R  
OLMB073072  
śꢀ Keep the battery securely mounted.  
śꢀ Keep the battery top clean and dry.  
à The actual battery label in the vehicle  
may differ from the illustration.  
1. CMF60L-BCI : The HYUNDAI model  
name of battery  
2. 12V : The nominal voltage  
śꢀ Keep the terminals and connections  
clean, tight, and coated with  
petroleum jelly or terminal grease.  
śꢀ Rinse any spilled electrolyte from the  
battery immediately with a solution of  
water and baking soda.  
śꢀ If the vehicle is not going to be used  
for an extended time, disconnect the  
battery cables.  
3. 60Ah(20HR) : The nominal capacity  
(in Ampere hours)  
4. 92RC : The nominal reserve capacity  
(in min.)  
5. 550CCA : The cold-test current in  
amperes by SAE  
6. 440A : The cold-test current in  
amperes by EN  
Information  
For vehicles with power tailgate, note that  
the power tailgate needs to be reset after  
the battery has been replaced. For more  
details, refer to “Power Tailgate” section  
in chapter 5.  
Battery recharging  
By battery charger  
Your vehicle has a maintenance-free,  
calcium-based battery.  
śꢀ If the battery becomes discharged  
over a short time (because, for  
NOTICE  
Make sure the battery is installed  
securely when the it is replaced. If the  
battery vibrates whilst driving, the case  
and electrode plate can be damaged.  
example, the headlamps or interior  
lights were left on whilst the vehicle  
was not in use), recharge it by slow  
charging (trickle) for 10 hours.  
śꢀ If the battery gradually discharges  
because of high electrical load whilst  
the vehicle is being used, recharge it  
at 20-30A for two hours.  
9-20  
09  
WARNING  
Information  
An inappropriately disposed  
Always follow these instructions when  
recharging your vehicle’s battery to  
avoid the risk of SERIOUS INJURY or  
DEATH from explosions or acid burns:  
śꢀ Before performing maintenance or  
recharging the battery, turn off all  
accessories and stop the vehicle.  
battery can be harmful to the  
environment and human health.  
Dispose of the battery according  
to your local law(s) or regulation.  
Reset items  
The following items may need to be reset  
after the battery has been discharged or  
the battery has been disconnected.  
śꢀ Driving info/After recharging/  
Accumulated info (items in Utility  
view) (see chapter 4)  
śꢀ Keep all flames, sparks, or smoking  
materials away from the battery.  
śꢀ Always work outdoors or in an area  
with plenty of ventilation.  
śꢀ Wear eye protection when checking  
the battery during charging.  
śꢀ Integrated memory system (see  
śꢀ The battery must be removed from  
the vehicle and placed in a well  
ventilated area.  
śꢀ Watch the battery during charging,  
and stop or reduce the charging  
rate if the battery cells begin boiling  
violently.  
śꢀ The negative battery cable must  
be removed first and installed last  
when the battery is disconnected.  
Disconnect the battery charger in the  
following order:  
chapter 5)  
śꢀ Power window (see chapter 5)  
śꢀ Vision roof (see chapter 5)  
śꢀ Power tailgate (see chapter 5)  
śꢀ Climate control system (see chapter 5)  
śꢀ Clock (see Infotainment system  
manual)  
śꢀ Infotainment system (see  
Infotainment system manual)  
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.  
śꢀ We recommend that you use  
batteries for replacement from an  
authorised HYUNDAI dealer.  
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  
8 for more information on jump starting  
procedures.  
9-21  

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