Hyundai Sonata Hybrid 2017, Owner'S Manual

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7-84
Maintenance
Your vehicle is equipped with a cat-
alytic converter emission control
device.
To prevent damage to the catalytic
converter and to your vehicle, take
the following precautions:
(Continued)
•
Do not modify or tamper with
any part of the engine or
emission control system. All
inspections and adjustments
must be made by an author-
ized HYUNDAI dealer.
•
Avoid driving with an extreme-
ly low fuel level.
Running out of fuel could
cause the engine to misfire,
damaging the catalytic con-
verter.
•
Use only UNLEADED FUEL
for gasoline engines.
•
Do not operate the vehicle
when there are signs of
engine malfunction, such as
misfire or a noticeable loss of
performance.
•
Do not misuse or abuse the
engine. Examples of misuse
are coasting with the hybrid
system off and descending
steep grades in gear with the
hybrid system off.
•
Do not operate the engine at
high idle speed for extended
periods (5 minutes or more).
(Continued)
CAUTION