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Table of Contents > Handling the Unexpected > Power System Won’t Start > If the 12-Volt Battery Is Dead

2023 Honda CR-V Owner's Manual ➜ If the 12-Volt Battery Is Dead

If the 12-Volt Battery Is Dead  
Jump Starting Procedure  
Turn off the power to electric devices, such as audio and lights. Turn off the power  
system, then open the hood.  
3WARNING  
A 12-volt battery can explode if you do not  
follow the correct procedure, seriously  
injuring anyone nearby.  
1. Open the terminal cover on your vehicle’s  
12-volt battery positive + terminal.  
2. Connect the first jumper cable to your  
vehicle's 12-volt battery + terminal.  
3. Connect the other end of the first jumper  
cable to the booster battery + terminal.  
u Use a 12-volt booster battery only.  
Keep all sparks, open flames, and smoking  
materials away from the 12-volt battery.  
u
When using an automotive battery charger  
to boost your 12-volt battery, select a  
lower charging voltage than 15-volt. Check  
the charger manual for the proper setting.  
Securely attach the jumper cables clips so that they  
do not come off when the engine vibrates. Be careful  
not to tangle the jumper cables or allow the cable  
ends to touch each other while attaching or  
detaching the jumper cables.  
Booster Battery  
4. Connect the second jumper cable to the  
booster battery - terminal.  
5. Connect the other end of the second  
jumper cable to the engine mounting bolt  
as shown. Do not connect this jumper cable  
to any other part.  
6. If your vehicle is connected to another  
vehicle, start the assisting vehicle's engine  
and increase its rpm slightly.  
7. Attempt to start your vehicle's engine. If it  
turns over slowly, check that the jumper  
cables have good metal-to-metal contact.  
12-volt battery performance degrades in cold  
conditions and may prevent the engine from starting.  
The Vehicle Stability AssistTM (VSA®) system, brake  
system (Amber), Adaptive Cruise Control (ACC) with  
Low Speed Follow, low tire pressure/TPMS* and  
Safety Support indicators may come on along with a  
message in the gauge when you set the power mode  
to ON after reconnecting the 12-volt battery.  
Drive a short distance at more than 12 mph (20 km/h).  
Each indicator should go off. If any do not, have your  
vehicle checked by a dealer.  
* Not available on all models  
Continued  
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uuIf the 12-Volt Battery Is DeaduJump Starting Procedure  
What to Do After the Power System Starts  
Once your vehicle's power system has started, remove the jumper cables in the  
following order.  
1. Disconnect the jumper cable from your vehicle's ground.  
2. Disconnect the other end of the jumper cable from the booster battery -  
terminal.  
3. Disconnect the jumper cable from your vehicle's 12-volt battery + terminal.  
4. Disconnect the other end of the jumper cable from the booster battery +  
terminal.  
Have your vehicle inspected by a nearby service station or a dealer.  
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