Kia CARNIVAL 2023 Manual page 684

Maintenance
Adding urea solution (if
equipped)
To refill urea solution with a refill
hose
OKA4070056
1. Turn the ignition key or press the
ENGINE START/STOP button to the
OFF position.
2. Turn the urea solution tank cap in a
counterclockwise direction to open it.
3. Fully insert the refill hose to add the
ISO 22241-specified urea solution. Fill
in a sufficient amount of urea solution.
* Pay great caution not to add the
urea solution into the fuel tank. If
not, it surely applies adverse impact
on the vehicle performance, causing
various malfunctions.
* Never use urea solution mixture with
additives or water. It may allow for-
eign substances to enter the urea
solution tank. If so, it surely applies
adverse impact on the vehicle per-
formance, causing various malfunc-
tions.
* Use only the ISO 22241-specified
urea solution. Any unauthorised
urea solution surely applies adverse
impacts on the vehicle performance,
causing various malfunctions.
8 86
4. Turn the urea solution tank cap in a
clockwise direction to securely close it.
Refer to "Recommended lubricants and
capacities" on page 9-6.
To refill urea solution with a refill
bottle
1. Turn the ignition key or press the
ENGINE START/STOP button to the
OFF position.
2. Turn the urea solution tank cap in a
counterclockwise direction to open it.
3. Add the ISO 22241-specified urea
solution. Fill in a sufficient amount of
urea solution.
* Pay great caution not to add the
urea solution into the fuel tank. If
not, it surely applies adverse impact
on the vehicle performance, causing
various malfunctions.
* Pay great caution not to overfill the
(completely) filled urea solution tank
by force whilst refilling urea solution
from a refill bottle. An over-filled
urea solution tank will be expanded
when it becomes frozen and this
can cause a serious malfunction of
the urea solution tank or urea solu-
tion system.
* Never use urea solution mixture with
additives or water. It may allow for-
eign substances to enter the urea
solution tank. If so, it surely applies
adverse impact on the vehicle per-
formance, causing various malfunc-
tions.
* Use only the ISO 22241-specified
urea solution. Any unauthorised
urea solution surely applies adverse
impacts on the vehicle performance,
causing various malfunctions.
4. Turn the urea solution tank cap in a
clockwise direction to securely close it.
Emission control system