Ford F-150 Owner's Manual page 108

If it illuminates when you are driving, check
that you do not have the parking brake
engaged. If you do not have the parking
brake engaged, this indicates low brake
fluid level or a brake system malfunction.
Have the system checked immediately by
an authorized dealer.
WARNING
Driving your vehicle with the warning
lamp on is dangerous. A significant
decrease in braking performance
may occur. It will take you longer to stop
your vehicle. Have your vehicle checked by
your authorized dealer immediately. Driving
extended distances with the parking brake
engaged can cause brake failure and the
risk of personal injury.
Check 4X4
(If Equipped)
Illuminates with the message
CHECK 4X4 when a four-wheel
drive fault is present. See Using
Four-Wheel Drive (page 193).
Cruise Control
(If Equipped)
Illuminates gray or green when
you switch this feature on. See
Using Cruise Control (page
E71340
224).
Direction Indicator
Illuminates when the left or right
turn signal or the hazard warning
flasher is turned on. If the
indicators stay on or flash faster, check for
a burned out bulb.
Door Ajar
Displays when the ignition is on
and any door is not completely
closed.
F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201607, Second Printing
Instrument Cluster
Electronic Locking Differential
Electric Park Brake
E146190
Parking Brake (page 204).
Engine Coolant Temperature
possible, switch off the engine and let cool.
See Engine Coolant Check (page 326).
Engine Oil
Stop your vehicle as soon as it is safe to
do so and switch the engine off. Check the
engine oil level. See Engine Oil Check
(page 324).
Note: Do not resume your journey if it
illuminates despite the level being correct.
Have the system checked by your authorized
dealer immediately.
Fasten Safety Belt
E71880
Four-Wheel Drive Indicators
Equipped)
Note: Some indicators will appear different
depending on vehicle options.
105
Illuminates when using the
electronic locking differential.
E163170
It will illuminate or flash when
the electric parking brake has a
malfunction. See Electric
Illuminates when the engine
coolant temperature is high.
Stop the vehicle as soon as
If it illuminates with the engine
running or when you are driving,
this indicates a malfunction.
It will illuminate and a chime will
sound to remind you to fasten
your safety belt.
(If Equipped)
(If