Hyundai IONIQ 5 Owner's Manual page 590

Jump starting procedure
Information
When you jump start your vehicle,
use the jumper terminal in the motor
compartment.
1. Position the vehicles close enough
that the jumper cables will reach, but
do not allow the vehicle body parts to
contact.
2. Avoid fans or any moving parts in the
motor compartment at all times, even
when the vehicles are turned off.
3. Turn off all electrical devices such as
radios, lights, air conditioning, etc.
Put the vehicles in P (Park) and set the
parking brake. Turn both vehicles OFF.
4. Open the hood.
5. Remove the battery cover located
inside of the front trunk.
6. Remove the motor compartment fuse
box cover.
CAUTION
Before jump starting, make sure to
correctly identify the positive (+) and
negative (-) terminals to avoid reverse
polarity connections.
7. Connect the jumper cables in
the exact sequence shown in the
illustration. First connect one jumper
cable to the red, positive (+) jumper
terminal of your vehicle (1).
8. Connect the other end of the jumper
cable to the red, positive (+) battery/
jumper terminal of the assisting
vehicle (2).
9. Connect the second jumper cable to
the black, negative (-) battery/jumper
terminal of the assisting vehicle (3).
10. Connect the other end of the second
jumper cable to the black, negative (-)
chassis ground of your vehicle (4).
Do not allow the jumper cables to
contact anything except the correct
battery or jumper terminals or the
correct ground. Do not lean over the
battery when making connections.
WARNING
Do not connect the jumper cable to
the negative (-) jumper terminal of the
discharged battery. A spark could cause
the battery to explode and lead to a
personal injury or vehicle damage.
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