Audible Warnings And Indicators - Ford F-Series Super Duty Class A 2015 Owner's Manual

Motorhome and commercial chassis
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If the light is blinking, engine misfire is
occurring which could damage your
catalytic converter. Drive in a moderate
fashion (avoid heavy acceleration and
deceleration) and have your vehicle
serviced immediately.
Note: Under engine misfire conditions,
excessive exhaust temperatures could
damage the catalytic converter or other
vehicle components.
The service engine soon indicator light
illuminates when the ignition is first turned
on prior to engine start to check the bulb
and to indicate whether the vehicle is ready
for Inspection/Maintenance (I/M) testing.
Normally, the service engine soon light will
stay on until the engine is cranked, then
turn itself off if no malfunctions are
present. However, if after 15 seconds the
service engine soon light blinks eight times,
it means that the vehicle is not ready for
I/M testing. See Emission Control
System (page 26).
Transmission Tow/Haul
Illuminates when the tow/haul
feature has been activated. If the
light flashes steadily, have the
E161509
system serviced immediately, damage to
the transmission could occur.
AUDIBLE WARNINGS AND
INDICATORS
Fail-Safe Cooling Warning Chime
Sounds when the coolant gauge pointer
has moved to hot. There are three stages
of chimes:
Motorhome (), enUSA
Instrument Cluster
Headlamps On Warning Chime
Sounds when you remove the key from the
ignition and open the driver's door and you
have left the headlamps or parking lamps
on.
Key in Ignition Warning Chime
Sounds when you open the driver's door
and you have left the key in the ignition
with it in the off or accessory position.
Parking Brake On Warning Chime
Sounds when you have left the parking
brake on and drive your vehicle. If the
warning chime remains on after you have
released the parking brake, have the
(If Equipped)
system checked by your authorized dealer
immediately.
15
Stage 1 is a single chime when the
engine temperature begins to overheat.
Stage 2 is multiple chimes and engine
power becomes limited in order to help
cool the engine.
Stage 3 is multiple chimes and the
engine will shut down.

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