Kia Sorento 2023, Owner'S Manual, Page: 552 / 640

Maintenance
16 8
Explanation of scheduled maintenance items
Fuel lines, fuel hoses and connec
-
tions
Check the fuel lines, fuel hoses and con
-
nections for leakage and damage. Have
the fuel lines, fuel hoses and connec
-
tions replaced by an authorized Kia
dealer.
Fuel tank and fuel cap
The Fuel tank and fuel cap should be
inspected at those intervals specified in
the maintenance schedule. Make sure
that a new Fuel tank and fuel cap is cor
-
rectly replaced.
Air cleaner filter
Have the air cleaner filter replaced by an
authorized Kia dealer.
Spark plugs
Make sure to install new spark plugs of
the correct heat range.
When assembling parts, be sure to wipe
the inside and outside of the boot bot
-
tom of the ignition coil and the insulator
of the spark plug with a soft cloth to pre
-
vent contamination of the spark plug
insulator.
WARNING
Do not disconnect and inspect spark
plugs when the engine is hot. You may
burn yourself.
Cooling system
Check the cooling system components,
such as the radiator, coolant reservoir,
hoses and connections for leakage and
damage. Replace any damaged parts.
Coolant/inverter coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Automatic transmission fluid
Automatic transmission fluid should not
be checked under normal usage condi
-
tions. Have the automatic transmission
fluid changed by an authorized Kia
dealer.
NOTICE
Automatic transmission fluid color is
basically red.
As the vehicle is driven, the automatic
transmission fluid will begin to look
darker. It is normal condition and you
should not judge the need to replace the
fluid based upon the changed color.
CAUTION
The use of a non-specified fluid could
result in transmission malfunction and
failure.
Use only specified automatic transmis
-
sion fluid. (Refer to "Recommended
lubricants and capacities" on page 9-7.)
Brake hoses and lines
Visually check for proper installation,
chafing, cracks, deterioration and any
leakage. Replace any deteriorated or
damaged parts immediately.
Brake fluid
Check the brake fluid level in the brake
fluid reservoir. The level should be
between "MIN" and "MAX" marks on the
side of the reservoir. Use only hydraulic
brake fluid conforming to DOT 4 specifi
-
cation.