Honda Civic 2017 Owner's Manual page 539

uuRefuelinguFuel Information
2.0 L engine models
Fuel Information
■
Fuel recommendation
Except Hongkong, Macau, Vietnamese and Thai models
Unleaded premium petrol, research octane number 95 or higher
Use of a lower octane petrol can cause occasional metallic knocking noise in the
engine and will result in decreased engine performance.
Use of a petrol with a research octane less than 91 can lead to engine damage.
The use of regular unleaded petrol can cause metallic knocking noises in the engine
and will result in decreased engine performance. The long-term use of regular-grade
petrol can lead to engine damage.
Hongkong and Macau models
Unleaded premium petrol, research octane number 95 or higher
Use of lower octane petrol can cause occasional metallic knocking noise in the
engine and will result in decreased engine performance.
We recommend that you use a research octane of 98 or higher to maximize the
performance of the engine.
Use of petrol with a research octane less than 91 can lead to engine damage.
538
1Fuel Information
NOTICE
Use of petrol that contains lead presents the
following risks:
•
Damage to the exhaust system including the
catalytic converter
•
Damage to the engine and fuel system
•
Detrimental effects on the engine and other
systems