Ford F-150 2018 Owner's Manual page 112

Parking Lamps
It illuminates when you switch
the parking lamps on.
Powertrain Malfunction/Reduced
Power/Electronic Throttle Control
Illuminates when the system has
detected a powertrain or a
four-wheel drive fault. Contact
an authorized dealer as soon as possible.
Service Engine Soon
If it illuminates when the engine
is running this indicates a
malfunction. The On Board
Diagnostics system has detected a
malfunction of the vehicle emission control
system.
If it flashes, engine misfire may be
occurring. Increased exhaust gas
temperatures could damage the catalytic
converter or other vehicle components.
Drive in a moderate fashion (avoid heavy
acceleration and deceleration) and have
your vehicle immediately serviced.
It illuminates when you switch the ignition
on prior to engine start to check the bulb
and to indicate whether your vehicle is
ready for Inspection and Maintenance
(I/M) testing.
Normally, it illuminates until the engine is
cranked and automatically turns off if no
malfunctions are present. However, if after
15 seconds it flashes eight times, this
indicates that your vehicle is not ready for
Inspection and Maintenance (I/M) testing.
See Emission Law (page 188).
Sport Mode
Illuminates when you switch the
sport mode on.
E176099
F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201705, First Printing
Instrument Cluster
Stability Control and Traction
Control Indicator
E138639
on when the engine is running, this
indicates a malfunction. Have your vehicle
checked as soon as possible.
See Principle of Operation (page 224).
Stability Control and Traction
Control Off Warning Lamp
E130458
Tow Haul Indicator
E161509
is running this indicates a malfunction and
could result in transmission damage not
covered by the vehicle Warranty. Have
your vehicle checked as soon as possible.
Water In Fuel
result in fire, serious injury, death or
property damage.
109
Flashes during operation.
If it does not illuminate when you
switch the ignition on, or remains
It illuminates when you switch
the system off.
(If Equipped)
It illuminates when you switch
the system on.
If it illuminates when the engine
(If Equipped)
WARNING
Do not drain the water-in-fuel
separator while the engine is running.
Failure to follow this warning may