2021 FORD F-350 ECO mode

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Page 178 of 666

FORD F-350 2021  Owners Manual III (start) - Cranks the engine.
KEYLESS STARTING
 (IF EQUIPPED)
Note: The keyless starting system may not
function if the key is close to metal objects
or electronic devices such as cellular
phones.

Page 179 of 666

FORD F-350 2021  Owners Manual 2. Turn the key to position III to start the
engine.
3. When the engine starts, release the brake pedal.
Do not crank the engine for more than 10
seconds as starter damage may occur.  If
the engine do

Page 181 of 666

FORD F-350 2021  Owners Manual preventing engine damage due to lack of
proper lubrication. After the 30 second
warm-up period, the accelerator pedal
becomes operational again and a message
appears informing you the vehicle is ok to

Page 184 of 666

FORD F-350 2021  Owners Manual We recommend the following cold
weather idling guidelines:
•
You can use Motorcraft® cetane
improvers or non-alcohol-based
cetane improvers from a reputable
manufacturer as needed.
• Maintain the

Page 185 of 666

FORD F-350 2021  Owners Manual Operation in Standing Water
Ingestion of water into the diesel engine
can result in immediate and severe
damage to the engine. If driving through
water, slow down to avoid splashing water
into the int

Page 203 of 666

FORD F-350 2021  Owners Manual becomes limited to engine idle only once
stopped. In these conditions, be cautious
where you stop your vehicle because you
may not be able to drive long distances
or maintain highway speeds until you

Page 204 of 666

FORD F-350 2021  Owners Manual •
Avoid spilling diesel exhaust fluid on
painted surfaces, carpeting or plastic
components. Immediately wipe away
any diesel exhaust fluid that has spilled
with a damp cloth and water. If it has
alr

Page 216 of 666

FORD F-350 2021  Owners Manual USING FOUR-WHEEL DRIVE
Note:
For important information regarding
the safe operation of this type of vehicle,
see General Information in the Wheels and
Tires chapter.
Note: Do not use 4H or 4L mode on