Table of Contents > Maintenance > Battery

2019 Honda CR-V Owner's Manual ➜ Battery

Checking the Battery  
The condition of the battery is monitored by a  
sensor located on the negative terminal of the  
battery. If there is a problem with this sensor,  
the driver information interface will display a  
warning message. If this happens, have you  
vehicle inspected by a dealer.  
The battery gives off explosive hydrogen  
gas during normal operation.  
A spark or open flame can cause the  
battery to explode with enough force to  
kill or seriously hurt you.  
Check the battery terminals for corrosion  
Keep all sparks, open flames, and smoking  
materials away from the battery.  
If your vehicle’s battery is disconnected or goes dead:  
The audio system is disabled.  
Wear protective clothing and a face shield,  
or have a skilled technician do any battery  
2 Reactivating the audio system P. 301  
The clock resets.  
2 Clock P. 176  
The immobilizer system needs to be reset.  
2 Immobilizer System Indicator P. 110  
The battery contains sulfuric acid  
(electrolyte) which is highly corrosive and  
Getting electrolyte in your eyes or on your  
skin can cause serious burns. Wear  
protective clothing and eye protection  
when working on or near the battery.  
Swallowing electrolyte can cause fatal  
poisoning if immediate action is not taken.  
uuBatteryuChecking the Battery  
Emergency Procedures  
Eyes: Flush with water from a cup or other container  
for at least 15 minutes. (Water under pressure can  
damage the eye.) Call a physician immediately.  
Skin: Remove contaminated clothing. Flush the skin  
with large quantities of water. Call a physician  
Swallowing: Drink water or milk. Call a physician  
When you find corrosion, clean the battery terminals  
by applying a baking powder and water solution.  
Clean the terminals with a damp towel. Cloth/towel  
dry the battery. Coat the terminals with grease to  
help prevent future corrosion.  
When replacing the battery, the replacement must be  
of the same specifications.  
Consult a dealer for more information.  
uuBatteryuCharging the Battery  
Charging the Battery  
Disconnect both battery cables to prevent damaging your vehicle’s electrical system.  
Always disconnect the negative (-) cable first, and reconnect it last.  
Models with Auto Idle Stop  
The battery installed in this vehicle is specifically  
designed for a model with Auto Idle Stop.  
Using a battery other than this specified type may  
shorten the battery life, and prevent Auto Idle Stop  
from activating. If you need to replace the battery,  
make sure to select the specified type. Ask a dealer  
for more details.  
The indicators for the Adaptive Cruise Control  
(ACC)*, Adaptive Cruise Control (ACC) with Low  
Speed Follow (LSF)*, Road Departure Mitigation,  
Vehicle Stability Assist (VSA) system, VSA OFF,  
Collision Mitigation Braking System (CMBS), Low  
Tyre Pressure/Deflation Warning System, and Parking  
Brake and Brake System (Amber) may come on along  
with a message in the Driver Information Interface  
when you turn the ignition switch to ON (w*1 after  
reconnecting the battery.  
Drive a short distance at more than 20 km/h (12  
mph). The indicator should go off. If it does not, have  
your vehicle checked by a dealer.  
*1: Models with the keyless access system have an ENGINE START/STOP button instead of an  
ignition switch.  
* Not available on all models  
uuBatteryuReplacing the Battery  
Replacing the Battery  
When you remove and replace the battery, always follow the maintenance safety  
and the warnings for when checking the battery to prevent potential hazards.  
2 Maintenance Safety P. 659  
1Replacing the Battery  
An improperly disposed of battery can be harmful to  
the environment and human health. Always confirm  
local regulations for battery disposal.  
2 Checking the Battery P. 712  
1. Turn the ignition switch to LOCK (0*1.  
Open the bonnet.  
This symbol on the battery means that this product  
must not be treated as household waste.  
2. Loosen the nut on the negative battery  
cable, then disconnect the cable from the  
negative (–) terminal.  
3. Open the positive battery terminal cover.  
Loosen the nut on the positive battery  
cable, then disconnect the cable from the  
positive (+) terminal.  
To install a new battery, reverse this procedure.  
4. Loosen the nut on each side of the battery  
bracket with a wrench.  
5. Pull the bottom end of each battery stay out  
of the hole on the battery base, and remove  
the combination of the battery bracket and  
the stays.  
Always disconnect the negative (–) cable first, and  
reconnect it last.  
6. Remove the battery cover.  
Battery Cover  
*1: Models with the keyless access system have an ENGINE START/STOP button instead of an  
ignition switch.  
uuBatteryuReplacing the Battery  
7. Take out the battery carefully.  
uuBatteryuBattery Label  
Battery Label  
1Battery Label  
Keep flames and sparks away from the battery. The  
battery produces explosive gas that can cause an  
Wear eye protection and rubber gloves when  
handling the battery to avoid risk of burns or loss of  
eyesight if exposed to battery electrolyte.  
Do not allow children to handle the battery, under  
any circumstance. Ensure that anyone handling the  
battery has a proper understanding of the hazards  
and correct handling procedures involved.  
Handle battery electrolyte with extreme care, as it  
contains dilute sulfuric acid. Exposure to eyes or  
skin can cause burns or loss of eyesight.  
Read this manual carefully, and understand it  
before handling the battery. Failure to do so can  
cause personal injury and damage to the vehicle.  
Do not use the battery if the level of electrolyte is at  
or below the recommended level. Using the battery  
with low electrolyte can cause it to explode,  
causing serious injury.