2018-2025 Nissan Leaf 4 Door Maintenance and do-it yourself -> 12-volt battery User Manual
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Maintenance and do-it yourself -> 12-volt battery for Your Nissan Leaf 4 Door Second Generation (2018-2025)

12-VOLT BATTERY  
LDI3327  
• Keep the 12-volt battery surface clean  
and dry. Clean the 12-volt battery with a  
solution of baking soda and water.  
• Make certain the terminal connections  
are clean and securely tightened.  
8-12 Maintenance and do-it yourself  
NOTE:  
Do not operate the vehicle if the fluid  
in the 12-volt battery is low. Low 12-  
volt battery fluid can cause a higher  
load on the 12-volt battery which can  
generate heat, reduce battery life,  
and in some cases lead to an  
explosion.  
Care should be taken to avoid situations  
that can lead to potential battery dis-  
charge and potential no-start conditions  
such as:  
1. Installation or extended use of elec-  
tronic accessories that consume bat-  
tery power when the EV system is not  
running (Phone chargers, GPS, DVD  
players, etc.)  
When working on or near a 12-volt  
battery, always wear suitable eye  
protection and remove all jewelry.  
12-volt battery posts, terminals and  
related accessories contain lead and  
lead compounds. Wash hands after  
handling.  
2. Vehicle is not driven regularly and/or  
only driven short distances.  
In these cases, the battery may need to  
be charged to maintain battery health  
WDI0224  
Keep the 12-volt battery out of the  
reach of children.  
1. Remove the vent caps with a screw-  
driver as shown. Use a cloth to protect  
the battery case.  
WARNING  
Do not expose the 12-volt battery to  
flames or electrical sparks. Hydrogen  
gas generated by the 12-volt battery  
is explosive. Do not allow 12-volt bat-  
tery fluid to contact your skin, eyes,  
fabrics or painted surfaces. After  
touching a 12-volt battery or 12-volt  
battery cap, do not touch or rub your  
eyes. Thoroughly wash your hands. If  
the acid contacts your eyes, skin or  
clothing, immediately flush with wa-  
ter for at least 15 minutes and seek  
medical attention.  
2. Check the fluid level in each cell. If it is  
necessary to add fluid, add only distilled  
water to bring the level up to the bottom  
of the filler opening. Do not overfill. Re-  
install the vent caps.  
Vehicles operated in high temperatures or  
under severe conditions require frequent  
checks of the 12-volt battery fluid level.  
Maintenance and do-it yourself 8-13  

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