Kia CERATO 2018 Owner's Manual page 486

Maintenance
8-28
Check the condition and connections of
all cooling system hoses and heater ho‐
ses. Replace any swollen or deteriora‐
ted hoses.
The coolant level should be filled be‐
tween F and L marks on the side of the
coolant reservoir when the engine is
cool.
If the coolant level is low, add enough
distilled (deionized) water to provide
protection against freezing and corro‐
sion. Bring the level to F, but do not
overfill. If frequent additions are re‐
quired, have the system inspected by a
professional workshop.
mends to visit an authorized Kia dealer/
service partner.
Recommended engine coolant
• When adding coolant, use only deion‐
ized water or soft water for your ve‐
hicle and never mix hard water in the
coolant filled at the factory. An im‐
proper coolant mixture can result in
serious malfunction or engine dam‐
age.
• The engine in your vehicle has alumi‐
num engine parts and must be pro‐
tected by an ethylene-glycol with
phosphate based coolant to prevent
corrosion and freezing.
• DO NOT USE alcohol or methanol
coolant or mix them with the speci‐
fied coolant.
Kia recom‐