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Maintenance
Battery recharging
Your vehicle has a maintenance-free,
calcium-based battery.
• If the battery becomes discharged in a
short time (because, for example, the
headlights or interior lights were left on
whilst the vehicle was not in use),
recharge it by slow charging (trickle)
for 10 hours.
• If the battery gradually discharges
because of high electric load whilst the
vehicle is being used, recharge it at 20-
30A for two hours.
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CAUTION
AGM battery
(if equipped)
• Absorbent Glass Matt (AGM) bat-
teries are maintenance-free and
we recommend that the system
be serviced by a HYUNDAI autho-
rised repairer. For charging your
AGM battery, use only fully auto-
matic battery chargers that are
specially developed for AGM bat-
teries.
• When replacing the AGM battery,
we recommend that you use parts
for replacement from a HYUNDAI
authorised repairer.
• Do not open or remove the cap on
top of the battery. This may cause
leaks of internal electrolyte that
could result in severe injury.
• If the AGM battery is reconnected
or replaced, ISG function will not
operate immediately.
If you want to use the ISG func-
tion, the battery sensor needs to
be calibrated for approximately 4
hours with the ignition off.
WARNING
- Recharging
battery
When
recharging
the
observe the following precautions:
• The battery must be removed
from the vehicle and placed in an
area with good ventilation.
• Do not allow cigarettes, sparks,
or flame near the battery.
• Watch the battery during charg-
ing, and stop or reduce the charg-
ing rate if the battery cells begin
gassing (boiling) violently or if
the temperature of the electrolyte
of any cell exceeds 49°C (120°F).
• Wear eye protection when check-
ing the battery during charging.
• Disconnect the battery charger in
the following order.
1. Turn off the battery charger main
switch.
2. Unhook the negative clamp from
the negative battery terminal.
3. Unhook the positive clamp from
the positive battery terminal.
battery,
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