Page 2 of 563

Introduction 9
Child Safety 18
Child seats...........................................20
Child seat positioning...................................20
Booster seats.........................................22
Installing child safety seats...............................25
Child safety locks......................................35
Safety Belts 36
Fastening the safety belts................................38
Safety belt height adjustment.............................42
Safetybeltwarninglightandindicatorchime..................43
Safety belt-minder.....................................43
Child restraint and safety belt maintenance...................45
Supplementary Restraints System 46
Driver and passenger airbags.............................48
Side airbags..........................................55
Safety canopy curtain airbags.............................56
Crash sensors and airbag indicator.........................58
Airbag disposal........................................59
Keys and Remote Control 60
General information on radio frequencies.....................60
Remote control.......................................61
Keys...............................................61
Replacing a lost key or remote control.......................65
MyKey 66
Settings, MyKey.......................................66
Creating.............................................67
Clearing.............................................68
System status.........................................68
Remote start, MyKey...................................69
Troubleshooting, MyKey.................................69
Table of Contents1
2013 F-250/350/450/550(f23)
Owners Guide gf, 1st Printing
USA(fus)
Page 43 of 563

Safety Belt Extension Assembly
WARNING:Do not use extensions to change the fit of the
shoulder belt across the torso.
If the safety belt is too short when fully extended, you can obtain a
safety belt extension assembly from an authorized dealer.
Use only extensions manufactured by the same supplier as the safety
belt. Manufacturer identification is located at the end of the webbing on
the label. Also, use the safety belt extension only if the safety belt is too
short for you when fully extended.
SAFETY BELT HEIGHT ADJUSTMENT
WARNING:Position the safety belt height adjusters so that the
belt rests across the middle of your shoulder. Failure to adjust
the safety belt properly could reduce the effectiveness of the safety belt
and increase the risk of injury in a collision.
Adjust the height of the shoulder belt so the belt rests across the middle
of your shoulder.
To adjust the shoulder belt height:
1. Pull on the center button and
slide the height adjuster up or
down.
2. Release the button and pull down
on the height adjuster to make sure
it is locked in place.
P
U
L
L
42Safety Belts
2013 F-250/350/450/550(f23)
Owners Guide gf, 1st Printing
USA(fus)
Page 320 of 563

10. Reconnect the mass air flow
sensor electrical connector to the
outlet tube. Make sure the locking
tab on the connector is in the
“locked” position (connector shown
from below for clarity).
ADJUSTING THE HEADLAMPS
The headlamps on your vehicle are properly aimed at the assembly plant.
If your vehicle has been in an accident, the alignment of your headlamps
should be checked by your authorized dealer.
Vertical Aim Adjustment
1. Park the vehicle directly in front of a wall or screen on a level surface,
approximately 25 feet (7.6 meters) away.
•(A) 8 feet (2.4 meters)
•(B) Center height of lamp to
ground
•(C) 25 feet (7.6 meters)
•(D) Horizontal reference line
2. Measure the height from the
center of your headlamp (indicated
by a 3.0 millimeter circle on the
lens) to the ground and mark an
8 foot (2.4 meter) horizontal
reference line on the vertical wall or screen at this height (a piece of
masking tape works well).
3. Turn on the low beam headlamps to illuminate the wall or screen and
open the hood. Cover one of the headlamps so no light from that lamp
hits the wall.
C
A
B
D
Maintenance319
2013 F-250/350/450/550(f23)
Owners Guide gf, 1st Printing
USA(fus)