2021-2026 Honda Jazz 4 Door Handling the Unexpected -> If the 12-Volt Battery Is Dead User Manual
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Handling the Unexpected -> If the 12-Volt Battery Is Dead for Your Honda Jazz 4 Door Fourth Generation (2021-2026)

588
Handling the Unexpected
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 bonnet.
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.
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.
4. Connect the second jumper cable to the
booster battery - terminal.
5. Connect the other end of the second
jumper cable to the stud 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.
1If the 12-Volt Battery Is Dead
NOTICE
If a 12-volt battery sits in extreme cold, the electrolyte
inside can freeze. Attempting to jump start with a
frozen 12-volt battery can cause it to rupture.
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.
12-volt battery performance degrades in cold
conditions and may prevent the engine from starting.
3
WARNING
A 12-volt battery can explode if you do not
follow the correct procedure, seriously
injuring anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the 12-volt battery.
a
Booster Battery
26 JAZZ HEV Euro6e Sss (KE KG)-32TZA6500.book 588 ページ 2025年7月18日 金曜日 午前9時26分
589
uuIf the 12-Volt Battery Is DeaduJump Starting Procedure
Handling the Unexpected
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.
■
What to Do After the Power System Starts
1What to Do After the Power System Starts
The indicators for the Adaptive Cruise Control (ACC)
with Low Speed Follow, Vehicle Stability Assist (VSA)
System, VSA OFF, Road Departure Mitigation, Low
Tyre Pressure/Deflation Warning System and Safety
Support Indicator (Amber) may come on along with a
message in the gauge when you turn the power
system on after reconnecting the 12-volt 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.
26 JAZZ HEV Euro6e Sss (KE KG)-32TZA6500.book 589 ページ 2025年7月18日 金曜日 午前9時26分

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