2021 FORD EXPLORER ignition

ENGINE SPECIFICATIONS - 3.3L, HYBRID ELECTRIC VEHICLE
(HEV)
3.3L HEV
Engine
204 in³ (3,340 cm³)
Displacement.
Minimum 87 octane
Fuel type.
1-4-2-5-3-6
Firing order.
Coil on plug
Ignition system.
0.049–0.053 in (1.25–1.35 mm)
Spark plug gap.
12.0:1
Compression ratio.
Drivebelt Routing TRANSMISSION SPECIFICATIONS - ST
Gear Ratios
Ratio
Item
4.71:1
1st gear.
3.00:1
2nd gear.
2.15:1
3rd gear.
1.77:1
4th gear.
1.52:1
5th gear.
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing Capacities and SpecificationsE291364

GENERAL INFORMATION
WARNING: Driving while distracted
can result in loss of vehicle control, crash
and injury. We strongly recommend that
you use extreme caution when using any
device that may take your focus off the
road. Your primary responsibility is the
safe operation of your vehicle. We
recommend against the use of any
hand-held device while driving and
encourage the use of voice-operated
systems when possible. Make sure you
are aware of all applicable local laws
that may affect the use of electronic
devices while driving.
About SYNC
The system allows you to interact with the
entertainment, information and
communication systems on your vehicle
using voice commands and a touchscreen.
The system provides easy interaction with
audio, phone, navigation, mobile apps and
settings.
Note: You can switch the system on and
use it for up to an hour without switching
the ignition on.
Note: You can use the system after you
switch the ignition off for up to 10 minutes
or until you open a door.
Note: For your safety, some features are
speed-dependent. Their use is limited to
when your vehicle speed is less than 3 mph
(5 km/h). Using the Touchscreen
Status bar.
A
Home screen.
B
Clock. See Settings (page 464).
C
Outside air temperature.
D
Feature bar.
E
Status Bar Cell phone microphone muted.
Audio system muted.
Software update installed.
Wi-Fi connected.
Cell phone roaming.
Text message received.
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing SYNC™ 3E293823

Troubleshooting Tips
Action
Cause
Message
No action required. This
message should disappear
shortly.
Radio requires more than two
seconds to produce audio for
the selected channel.
Acquiring Signal
If this message does not clear
shortly, or with an ignition key
cycle, your receiver may have
a fault. See an authorized
dealer for service.
There is an internal module or
system failure present.
Satellite antenna fault
SIRIUS system failure
Tune to another channel or
choose another preset.
The channel is no longer avail-
able.
Invalid Channel
Contact SiriusXM at 1-888-
539-7474 to subscribe to the
channel, or tune to another
channel.
Your subscription does not
include this channel.
Unsubscribed Channel
The signal is blocked. When
you move into an open area,
the signal should return.
The signal is lost from the Siri-
usXM satellite or SiriusXM
tower to your vehicle antenna.
Satellite acquiring
signal…
No action required. The
process may take up to three
minutes.
Update of channel program-
ming in progress.
Updating…
Contact SiriusXM at 1-888-
539-7474 to resolve subscrip-
tion issues.
Your satellite service is no
longer available.
Questions? Call 1-
888-539-7474
Use the channel guide or the
Sirius XM Settings tile to turn
off the Lock or Skip function on
that station.
All the channels in the selected
category are either skipped or
locked.
None found. Check
channel guide.
No action required.
SiriusXM has updated the
channels available for your
vehicle.
SIRIUS Subscription
updated
HD Radio ™ Information (If
Available)
To activate HD radio, please see the Radio
Settings in the Settings Chapter. See
Settings (page 464). Note:
HD Radio broadcasts are not
available in all markets.
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing SYNC™ 3

Phone
Possible Cause and Resolution
Symptom
During a call, I can hear
excessive background noise. –
Incorrect cell phone settings.
•Check and adjust the audio settings on your cell
phone. Refer to your cell phone's user manual.
– Cell phone malfunction.
•Switch your cell phone and Bluetooth on and off
and try again.
– Cell phone microphone muted.
•Unmute your cell phone microphone.
During a call, I can hear the
other person but they
cannot hear me.
During a call, I cannot hear
the other person and they
cannot hear me.
–
System restart required.
•Restart the system. Switch the ignition off and
open the door. Close the door and lock the vehicle.
Wait until the touchscreen is off and any illumin-
ated USB ports are not illuminated. Unlock the
vehicle, switch the ignition on and try again.
I cannot download phone-
book. –
Incompatible cell phone.
•Check the compatibility of your cell phone on our
website.
– Incorrect cell phone settings.
•Allow the system to retrieve contacts from your
cell phone. Refer to your cell phone's user manual.
– Incorrect system settings.
•Switch automatic phonebook download on. See
Settings (page 464).
– Cell phone malfunction.
•Switch your cell phone off, reset it and try again.
– Incorrect cell phone settings.
•Allow the system to retrieve contacts from your
cell phone. Refer to your cell phone's user manual.
• Check the location of the missing contacts on your
cell phone. If they are stored on the SIM card, move
them to the cell phone memory.
– Incorrect system settings.
•Switch automatic phonebook download on. See
Settings
(page 464).
A message displays
suggesting that my phone-
book has downloaded but it
is empty or it has missing
contacts.
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing SYNC™ 3

Possible Cause and Resolution
Symptom
I cannot see SYNC when I
search for Wi-Fi networks on
my cell phone or other
device. –
System limitation.
•SYNC does not provide a Wi-Fi hotspot at this time.
– Weak network signal
•Move your vehicle closer to the Wi-Fi hotspot or to
a place where the network signal is not obstructed.
– Wi-Fi hotspot in high demand or has a slow Internet
connection.
•Use a more reliable Wi-Fi hotspot.
Software downloads take
too long.
–No software update available.
– Wi-Fi network requires a subscription or acceptance
of terms and conditions.
•Test the connection using another device. If the
network requires a subscription or acceptance of
terms and conditions, contact the network service
provider.
The system seems to
connect to a Wi-Fi network
and the signal strength is
excellent but the software
does not update.
Personal Profiles (If Equipped) Possible Cause and Solution
Symptom
You have not set up Personal Profiles.
I cannot create a profile. You entered an invalid profile.
You did not select a memory button when prompted.
You did not have the ignition on or in park (P), or you
shifted out park (P) when creating a profile.
Personal Profiles has been switched off.
You did not select the lock button on the remote control.
I cannot link a remote
control. The remote control selected was already associated with
another profile and the system declined to overwrite.
The system performed a profile recall when linking a
remote control.
You did not have the ignition on or in park (P), or you
shifted out park (P) when creating a profile.
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing SYNC™ 3

Changing the Color..............................................
93
Switching Ambient Lighting Off..................... 93
Switching Ambient Lighting On...................... 92
Ambient Lighting - Vehicles With: 8 Inch Information and Entertainment Display
Screen..............................................................92
Adjusting the Brightness................................... 92
Changing the Color.............................................. 92
Switching Ambient Lighting Off..................... 92
Switching Ambient Lighting On...................... 92
Anti-Theft Alarm............................................78 Arming the Alarm................................................. 79
Disarming the Alarm........................................... 79
Appendices....................................................530
Apps..................................................................461 SiriusXM Traffic and Travel Link................... 463
Using Apps on an Android Device...............462
Using Apps on an iOS Device........................ 462
Using Mobile Navigation on an Android Device............................................................... 462
At a Glance.......................................................20
At a Glance - ST.............................................20
Audible Warnings and Indicators..............111
Headlamps On Warning Chime...................... 111
Key in Ignition Warning Chime......................... 111
Keyless Warning Alert......................................... 111
Parking Brake On Warning Chime.................. 111
Audio Control...................................................82 You can operate the following functions
with the control:............................................... 82
Audio System................................................426 General Information......................................... 426
Audio Unit
......................................................426
Adjusting the Volume...................................... 426
Changing Radio Stations................................ 427
Switching the Audio Unit On and Off.........427
Using Seek, Fast Forward and Reverse.............................................................. 427
Auto Hold
.........................................................218
Auto Hold Indicator............................................ 218
Switching Auto Hold On and Off.................. 218
Using Auto Hold.................................................. 218
Autolamps........................................................88 Windshield Wiper Activated
Headlamps........................................................ 88
Automatic Climate Control......................139 Accessing Rear Climate Controls.................139 Accessing the Air Distribution
Controls............................................................. 139
Accessing the Menu........................................... 139
Setting the Blower Motor Speed.................. 139
Setting the Temperature................................. 140
Switching Auto Mode On and Off................140
Switching Maximum Air Conditioning On and Off................................................................ 141
Switching Maximum Defrost On and Off........................................................................\
. 141
Switching Recirculated Air On and Off........................................................................\
. 141
Switching the Air Conditioning On and Off........................................................................\
. 141
Switching the Climate Control On and Off........................................................................\
. 141
Automatic High Beam Control.................94
Automatic High Beam Control Indicators.......................................................94
Automatic Transmission
...........................201
Automatic Return to Park............................... 202
If Your Vehicle Gets Stuck in Mud or Snow................................................................. 206
Manual Park Release (MPR)......................... 204
SelectShift Automatic ™
Transmission.................................................. 204
Stay in Neutral Mode....................................... 203
Tow Mode ............................................................ 203
Understanding Your Transmission Selector Positions........................................................... 201
Automatic Transmission Fluid Check.............................................................335
Auto-Start-Stop...........................................180 Disabling Auto-Start-Stop.............................. 181
Enabling Auto-Start-Stop.............................. 180
Autowipers
.......................................................84
Autowipers Settings........................................... 85
Auxiliary Power Points
................................167
110 Volt AC Power Point.................................... 167
12 Volt DC Power Point...................................... 167
USB Port and Power Point Locations.........167
B
Battery See: Changing the 12V Battery..................... 336
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing Index

Gauges - Vehicles With: 6.5 Inch
Instrument Cluster Display
Screen............................................................103
Distance to Empty............................................. 104
Engine Coolant Temperature Gauge..........104
Fuel Gauge............................................................ 103
Information Bar................................................... 103
Information Display........................................... 103
Low Fuel Reminder............................................ 104
Gearbox See: Transmission.............................................. 201
General Information on Radio Frequencies...................................................57
Intelligent Access.................................................. 57
General Maintenance Information.......482 Multi-Point Inspection.................................... 484
Owner Checks and Services......................... 483
Protecting Your Investment........................... 482
Why Maintain Your Vehicle?......................... 482
Why Maintain Your Vehicle at Your Dealership?..................................................... 482
Getting Assistance Outside the U.S. and Canada.........................................................308
Getting the Services You Need..............305 Away From Home............................................. 305
Global Opening
...............................................97
Remote Control Front Windows..................... 97
H
Hazard Flashers
...........................................299
Headlamp Adjusting See: Adjusting the Headlamps..................... 338
Headlamp Exit Delay....................................88
Headrest See: Head Restraints........................................ 146
Head Restraints
............................................146
Adjusting the Head Restraints....................... 147
Heated Exterior Mirrors..............................144
Heated Rear Window..................................144
Heated Seats.................................................158 Automatic Climate Controlled Seats..........159
Front Seats........................................................... 158
Second Row Heated Seats............................. 159
Heated Steering Wheel...............................83
Heated Windshield
......................................143
Windshield Wiper De-Icer............................... 143Heating
See: Climate Control......................................... 139
High Voltage Battery..................................200 General Information - Hybrid Electric
Vehicle (HEV)................................................ 200
Hill Descent Control....................................228
Hill Descent Control Indicator
.................229
Hill Start Assist...............................................217 Switching the System On and Off................217
Using Hill Start Assist........................................ 217
Hints on Controlling the Interior Climate...........................................................141
Defogging the Side Windows in Cold Weather............................................................. 142
General Hints......................................................... 141
Quickly Cooling the Interior............................. 142
Quickly Heating the Interior............................ 142
Recommended Settings for Cooling...........142
Recommended Settings for Heating..........142
Hints on Driving With Anti-Lock Brakes.............................................................215
Hood Lock See: Opening and Closing the Hood...........322
Horn.....................................................................83
How Does Adaptive Cruise Control With Stop and Go Work....................................246
How Does the Rear Occupant Alert System Work
...............................................160
Hybrid Vehicle Frequently Asked Questions.....................................................184
Hybrid Vehicle Operation..........................182 Battery.................................................................... 182
Braking.................................................................... 183
Driving..................................................................... 182
Driving to Optimize Fuel Economy..............183
Starting................................................................... 182
Stopping................................................................. 182
Transmission Operation................................... 182
I
Ignition Switch................................................172
In California (U.S. Only)............................306
Information Display Control
.......................83
Information Displays.....................................112
General Information - Vehicles With: 12.3
Inch Instrument Cluster Display
Screen................................................................. 114
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing Index

General Information - Vehicles With: 4.2
Inch Instrument Cluster Display
Screen.................................................................. 117
General Information - Vehicles With: 6.5 Inch Instrument Cluster Display
Screen................................................................. 112
Information Messages.................................121
4WD........................................................................\
. 138
Active Park............................................................. 122
Adaptive Cruise Control.................................... 122
Adaptive Headlamps......................................... 122
AdvanceTrac ™ and Traction Control..........123
Alarm....................................................................... 123
Battery and Charging System (12 volt)..................................................................... 123
Battery and Charging System (High Voltage)............................................................. 124
Blind Spot Information and Cross Traffic Alert System.................................................... 124
Doors and Locks.................................................. 125
Driver Alert............................................................. 126
Fuel........................................................................\
.. 126
Hill Descent Control........................................... 127
Hill Start Assist.................................................... 128
Keys and Intelligent Access............................ 128
Lane Keeping System....................................... 129
Maintenance......................................................... 129
MyKey......................................................................130
Park Aid.................................................................... 131
Park Brake.............................................................. 132
Power Steering..................................................... 133
Pre-Collision Assist............................................ 133
Remote Start........................................................ 133
Seats........................................................................\
134
Starting System.................................................. 134
Tire Pressure Monitoring System.................. 135
Trailer....................................................................... 135
Transmission........................................................ 136
Installing Child Restraints
...........................25
Child Seats.............................................................. 25
Using Lap and Shoulder Belts......................... 25
Using Lower Anchors and Tethers for CHildren (LATCH)........................................... 28
Using Tether Straps............................................. 29
Instrument Cluster
.......................................103
Instrument Lighting Dimmer.....................88
Instrument Panel
.............................................21
Interior Air Quality........................................145 Interior Lamps..................................................91
Front Interior Lamp.............................................. 91
Rear Interior Lamps.............................................. 91
Interior Mirror
.................................................100
Automatic Dimming Mirror............................. 100
Manual Dimming Mirror................................... 100
Introduction........................................................9
J
Jump Starting the Vehicle.......................300 Connecting the Jumper Cables................... 300
Jump Starting...................................................... 301
Locating the Jump Starting Connection Points................................................................ 300
Preparing Your Vehicle.................................... 300
Removing the Jumper Cables........................ 301
K
Keyless Entry
....................................................72
SECURICODE™ Keyless Entry Keypad........72
Keyless Starting
.............................................172
Ignition Modes...................................................... 173
Keys and Remote Controls.........................57
L
Lane Keeping System
................................260
Switching the System On and Off...............261
Liftgate...............................................................74
Lighting Control
..............................................87
Flashing High Beam Headlamps................... 88
Lighting Control Selections.............................. 87
Switching High Beam Headlamps On and Off........................................................................\
. 87
Lighting...............................................................87 General Information............................................ 87
Limited Slip Differential
.............................213
Load Carriers See: Roof Racks and Load Carriers..............281
Load Carrying...............................................280
Load Limit
.......................................................282
Special Loading Instructions for Owners of
Pick-up Trucks and Utility-type
Vehicles............................................................ 286
Vehicle Loading - with and without a Trailer................................................................. 282
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Explorer (CTW), enUSA, Edition date: 202007, Second-Printing Index