Cadillac 2010 Escalade User Manual download pdf (Page 458)

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We encourage the use of E85 in vehicles that are

designed to use it. The ethanol in E85 is a “renewable”

fuel, meaning it is made from renewable sources such

as corn and other crops.

Many service stations will not have an 85% ethanol

fuel (E85) pump available. The U.S. Department

of Energy has an alternative fuels website

(www.afdc.energy.gov/afdc/locator/stations/) that can

help you find E85 fuel. Those stations that do have E85

should have a label indicating ethanol content. Do not

use the fuel if the ethanol content is greater than 85%.

At a minimum, E85 should meet ASTM Specification

D 5798. By definition, this means that fuel labeled E85

will have an ethanol content between 70% and 85%.

Filling the fuel tank with fuel mixtures that do not meet

ASTM specifications can affect driveability and could

cause the malfunction indicator lamp to come on.

To ensure quick starts in the wintertime, the E85 fuel

must be formulated properly for your climate according

to ASTM specification D 5798. If you have trouble

starting on E85, it could be because the E85 fuel is not

properly formulated for your climate. If this happens,

switching to gasoline or adding gasoline to the fuel tank

can improve starting. For good starting and heater

efficiency below 0°C (32°F), the fuel mix in the fuel tank

should contain no more than 70% ethanol. It is best not

to alternate repeatedly between gasoline and E85.

If you do switch fuels, it is recommended that you add

as much fuel as possible — do not add less than

11 L (3 gal) when refueling. You should drive the vehicle

immediately after refueling for at least 11 km (7 mi) to

allow the vehicle to adapt to the change in ethanol

concentration.

E85 has less energy per liter (gallon) than gasoline, so

you will need to refill the fuel tank more often when

using E85 than when you are using gasoline. See

Filling the Tank on page 7‑11.

Notice: Some additives are not compatible with E85

fuel and can harm the vehicle's fuel system. Do not

add anything to E85. Damage caused by additives

would not be covered by the vehicle warranty.

Notice: This vehicle was not designed for fuel that

contains methanol. Do not use fuel containing

methanol. It can corrode metal parts in the fuel

system and also damage plastic and rubber parts.

That damage would not be covered under the

vehicle warranty.

Fuels in Foreign Countries

If you plan on driving in another country outside the

United States or Canada, the proper fuel might be hard

to find. Never use leaded gasoline or any other fuel not

recommended in the previous text on fuel. Costly

repairs caused by use of improper fuel would not be

covered by the vehicle warranty.

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