User Manual - Page 108

For 2020 Ford Super Duty®.

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Battery
If it illuminates while driving, it
indicates a malfunction. Switch
off all unnecessary electrical
equipment and have the system checked
immediately.
Brake System Warning Lamp
WARNING: Driving your vehicle
with the warning lamp on is dangerous.
A significant decrease in braking
performance may occur. It may take you
longer to stop your vehicle. Have your
vehicle checked as soon as possible.
Driving extended distances with the
parking brake engaged can cause brake
failure and the risk of personal injury.
This lamp is a dual function lamp and
illuminates when:
You apply the parking brake with the
ignition on.
Your vehicle has a brake fault or low
brake fluid level, regardless of parking
brake position.
E270480
If the lamp illuminates while you
are moving, you may have the
parking brake applied. Be sure
that the parking brake is off.
Have your vehicle checked as
soon as possible if the lamp
continues to illuminate.
Note: Indicators vary depending on region.
Blind Spot Monitor (If Equipped)
E151262
Illuminates when you switch this
feature off or in conjunction with
a message. See Blind Spot
Information System (page 248).
Check Fuel Cap (If Equipped)
Illuminates when the fuel cap
may not be properly installed.
Continued driving with this light
on may cause the service engine soon
warning indicator to come on.
Check 4X4 (If Equipped)
Illuminates with a message
when a four-wheel drive fault is
present. See Using Four-Wheel
Drive (page 207).
Cruise Control (If Equipped)
E71340
Illuminates when you switch this
feature on. See What Is Cruise
Control (page 236).
Diesel Engine Brake (If Equipped)
E171217
Illuminates when you switch the
manual engine brake on. See
General Information (page
217).
E234452
Illuminates when you switch the
automatic engine brake on. See
General Information (page
217).
Diesel Exhaust Fluid (If Equipped)
E163176
With the key in the on position,
illuminates when the DEF is
contaminated, low or someone
has tampered with the DEF system. See
Selective Catalytic Reductant System
(page 191).
105
Super Duty (TFE), enUSA, Edition date: 201909, Third-Printing-
Instrument Cluster
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