Fuel Information; Top tier detergent gasoline; Unleaded gasoline, pump octane number 87 or higher- Page 564

2021 Honda Civic Hatchback Owners Manual

Model Year
2014 Dodge Charger SRT Owner Manual
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562

Driving

Refueling

Fuel Information

Fuel recommendation

Use of a lower octane gasoline can cause a persistent, heavy metallic knocking noise 
that can lead to engine damage.

Use of a lower octane gasoline can cause occasional metallic knocking noise in the 
engine and will result in decreased engine performance.
Use of a gasoline with a pump octane less than 87 can lead to engine damage.
The use of regular unleaded gasoline can cause metallic knocking noises in the 
engine and will result in decreased engine performance.

Top tier detergent gasoline

Because the level of detergency and additives in gasoline vary in the market, Honda 
endorses the use of “TOP TIER Detergent Gasoline” where available to help 
maintain the performance and reliability of your vehicle. TOP TIER Detergent 
Gasoline meets a new gasoline standard jointly established by leading automotive 
manufacturers to meet the needs of today’s advanced engines.

Unleaded gasoline, pump octane number 87 or higher

Unleaded premium gasoline, pump octane number 91 or higher

1

Fuel Information

NOTICE

We recommend quality gasoline containing 
detergent additives that help prevent fuel system and 
engine deposits. In addition, in order to maintain 
good performance, fuel economy, and emissions 
control, we strongly recommend the use of gasoline 
that does NOT contain harmful manganese-based 
fuel additives such as MMT, if such gasoline is 
available.

Use of gasoline with these additives may adversely 
affect performance, and cause the malfunction 
indicator lamp on your instrument panel to come on. 
If this happens, contact a dealer for service.
Some gasoline today is blended with oxygenates such 
as ethanol. Your vehicle is designed to operate on 
oxygenated gasoline containing up to 15% ethanol 
by volume. Do not use gasoline containing methanol. 
If you notice any undesirable operating symptoms, try 
another service station or switch to another brand of 
gasoline.

Models without 18 or 20 inch wheels

Models with 18 or 20 inch wheels

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