Chevrolet 2004 Epica Specifications download pdf (Page 199)

Adding Equipment to the Outside of

Your Vehicle

Things you might add to the outside of your vehicle can

affect the airﬂow around it. This may cause wind noise

and affect windshield washer performance. Check with

your dealer before adding equipment to the outside of

your vehicle.

Fuel

Use of the recommended fuel is an important part of the

proper maintenance of your vehicle.

Gasoline Octane

Use regular unleaded gasoline with a posted octane

of 87 or higher. If the octane is less than 87, you may

get a heavy knocking noise when you drive. If this

occurs, use a gasoline rated at 87 octane or higher as

soon as possible. Otherwise, you might damage

your engine. A little pinging noise when you accelerate

or drive uphill is considered normal. This does not

indicate a problem exists or that a higher-octane fuel is

necessary. If you are using 87 octane or higher-octane

fuel and hear heavy knocking, your engine needs

service.

Gasoline Speciﬁcations

It is recommended that gasoline meet speciﬁcations

which were developed by automobile manufacturers

around the world and contained in the World-Wide

Fuel Charter which is available from the Alliance

of Automobile Manufacturers at www.autoalliance.org.

Gasoline meeting these speciﬁcations could provide

improved driveability and emission control system

performance compared to other gasoline.

In Canada, look for the

“Auto Makers’ Choice”

label on the pump.

Canada Only

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Chevrolet 2004 Epica Specifications Page 199