User Manual - Page 225

For 2021 F-150 King Ranch®.

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Low Engine Use Mode Limitations
Cold temperatures affect the engine warm
up time and the low engine use mode
could operate more frequently.
An oil change is not required but gives you
the option of not running a low engine use
cycle. Resetting the oil life monitoring
system suspends the low engine use mode.
HYBRID ELECTRIC VEHICLE
INFORMATION INDICATORS
E293827
When you start your vehicle, a
green READY indicator light
appears in the instrument cluster
letting you know that your vehicle is ready
for driving.
The engine may not start because your
vehicle has a silent key start feature. This
fuel saving feature allows your vehicle to
be ready to drive without requiring the gas
engine to be running.
The indicator remains on when your vehicle
is on, whether the engine is running or not,
to indicate your vehicle is capable of
movement using the electric motor, gas
engine or both.
Typically, the engine does not start unless
the vehicle is cold, a climate control
change is requested or you press the
accelerator pedal.
HYBRID ELECTRIC VEHICLE
INFORMATION
TROUBLESHOOTING
Hybrid Electric Vehicle
Information Frequently Asked
Questions
How long is the high voltage battery
system designed to last?
The high voltage battery system is
designed to last the life of your vehicle.
Does the high voltage battery require
maintenance?
The high voltage battery does not
require maintenance.
What should I do if the vehicle runs out
of fuel and the high voltage battery is
out of charge?
Refuel and start your vehicle normally.
The engine will recharge the high
voltage battery.
Why does the engine sometimes start
at key-on?
The vehicle's computer will determine
if an engine start is required at key-on.
It starts the engine when necessary for
cabin heating, windshield defrost, or if
the outside temperature is low.
Can I put E15 or E85 in my vehicle, and
how will it affect my fuel economy?
Your hybrid vehicle can use E15 (15%
ethanol, 85% gasoline) fuel, but you
may notice slightly reduced fuel
economy because ethanol contains
less energy per gallon than gasoline.
Your hybrid vehicle is not designed to
use E85 (85% ethanol).
222
F-150 (TFD) Canada/United States of America, enUSA, Edition date: 202007, First-Printing
Hybrid Electric Vehicle Information (If Equipped)
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