Kia Rio 2022 Owner's Manual page 493

Maintenance
to visit an authorised Kia dealer/service
partner.
Spark plugs (for petrol, FFV
engine)
Make sure to install new spark plugs of
the correct heat range.
CAUTION
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.
Valve clearance (for Smart-
stream G1.0 T-GDi, Smartstream
G1.0 T-GDi HEV)
Inspect for excessive valve noise and/or
engine vibration and adjust if necessary.
In this case, have the system serviced by
a professional workshop. Kia recom-
mends to visit an authorised Kia dealer/
service partner.
Cooling system
Check the cooling system components,
such as the radiator, coolant reservoir,
hoses and connections for leakage and
damage. Replace any damaged parts.
Explanation of scheduled maintenance items
Coolant
The coolant should be changed at the
intervals specified in the maintenance
schedule.
Manual transmission fluid (if
equipped)
Inspect the manual transmission fluid
according to the maintenance schedule.
Automatic transmission fluid (if
equipped)
Automatic transmission fluid should not
be checked under normal usage condi-
tions.
Have the automatic transmission fluid
changed by a professional workshop
according to the maintenance schedule.
Kia recommends to visit an authorised
Kia dealer/service partner.
NOTICE
Automatic transmission fluid colour 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 colour.
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 9-9.)
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