Kia Optima Hybrid 2017 Owner's Manual page 265

Features of your vehicle
(Continued)
Because the refrigerant is
mildly inflammable and at
very high pressure, the
air conditioning system
should only be serviced
by trained and certified
technicians. It is impor‐
tant that the correct type
and amount of oil and re‐
frigerant is used.
Otherwise, it may cause
damage to the vehicle
and personal injury.
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