it needs to be repaired or replaced.
For your safety, tires that are
damaged or show signs of
excessive wear should not be used
because they are more likely to
blow out or fail.
Improper or inadequate vehicle
maintenance can cause tires to
wear abnormally. Inspect all your
tires, including the spare,
frequently, and replace them if
one or more of the following
conditions exist:
Tire Wear
When the tread is worn down to
one sixteenth of an inch (2
millimeters), tires must be
replaced to help prevent your
vehicle from skidding and
hydroplaning. Built-in treadwear
indicators, or wear bars, which
look like narrow strips of smooth
rubber across the tread will
appear on the tire when the tread
is worn down to one sixteenth of
an inch (2 millimeters). When the tire tread wears down
to the same height as these wear
bars, the tire is worn out and must
be replaced.
Damage
Periodically inspect the tire treads
and sidewalls for damage (such
as bulges in the tread or sidewalls,
cracks in the tread groove and
separation in the tread or
sidewall). If damage is observed
or suspected have the tire
inspected by a tire professional.
Tires can be damaged during
off-road use, so inspection after
off-road use is also
recommended.
Age
WARNING: Tires degrade
over time depending on many
factors such as weather, storage
conditions, and conditions of use
(load, speed, inflation pressure)
the tires experience throughout
their lives. WARNING:
In general, tires
should be replaced after six
years regardless of tread wear.
However, heat caused by hot
climates or frequent high loading
conditions can accelerate the
aging process and may require
tires to be replaced more
frequently.
394
F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Wheels and TiresE142546
Roadside Assistance...................................321
Vehicles Sold in Canada: Getting Roadside
Assistance........................................................ 322
Vehicles Sold in Canada: Roadside Assistance Program Coverage.................322
Vehicles Sold in Canada: Using Roadside Assistance........................................................ 322
Vehicles Sold in the United States: Getting Roadside Assistance.................................... 321
Vehicles Sold in the United States: Using Roadside Assistance.................................... 321
Roadside Emergencies
...............................321
Running-In See: Breaking-In.................................................. 314
Running Out of Fuel....................................189 Adding Fuel From a Portable Fuel
Container.......................................................... 189
Filling a Portable Fuel Container.................. 189
S
Safety Canopy ™
.............................................52
Safety Precautions......................................184
Satellite Radio
..............................................459
Satellite Radio Electronic Serial Number
(ESN)................................................................ 460
Satellite Radio Reception Factors..............460
SiriusXM Satellite Radio Service.................460
Troubleshooting.................................................. 461
Scheduled Maintenance Record............574
Scheduled Maintenance
...........................561
Seatbelt Extension........................................44
Seatbelt Height Adjustment.......................41
Seatbelt Reminder.........................................42 Belt-Minder™........................................................ 42
Seatbelts...........................................................36 Principle of Operation........................................ 36
Seatbelt Warning Lamp and Indicator Chime...............................................................41
Conditions of operation..................................... 42
Seats...................................................................151
Security..............................................................78
Selective Catalytic Reductant System...........................................................197
Contaminated Diesel Exhaust Fluid or Inoperative Selective Catalytic Reduction
System............................................................... 201Diesel Exhaust Fluid Guidelines and
Information..................................................... 200
Diesel Exhaust Fluid Level............................... 197
Diesel Exhaust Fluid Warning Messages and Vehicle Operations............................... 199
Filling the Diesel Exhaust Fluid Tank...........197
Settings...........................................................528 911 Assist............................................................... 533
Ambient Lighting............................................... 540
Bluetooth.............................................................. 530
Clock...................................................................... 530
Display.................................................................... 541
General.................................................................. 538
Media Player........................................................ 529
Mobile Apps......................................................... 537
Navigation............................................................ 535
Phone..................................................................... 530
Radio...................................................................... 534
SiriusXM................................................................ 535
Sound..................................................................... 528
Valet Mode........................................................... 542
Vehicle................................................................... 540
Voice Control....................................................... 542
Wi-Fi & Hotspot................................................. 539
Side Airbags
......................................................51
Sitting in the Correct Position...................151
Sliding Windows
...........................................103
Power Sliding Back Window.......................... 103
Snow Chains See: Using Snow Chains................................. 398
Snowplowing.................................................318 Engine Temperature while Plowing............320
Installing the Snowplow.................................. 318
Operating the Vehicle with the Snowplow Attached........................................................... 319
Outside Air Temperature While Plowing............................................................. 320
Snowplowing with your Airbag Equipped Vehicle............................................................... 319
Snowplow Mode................................................. 318
Transmission Operation while Plowing............................................................. 320
Spare Wheel See: Changing a Road Wheel....................... 405
Special Notices................................................12 New Vehicle Limited Warranty......................... 12
Special Instructions.............................................. 12
Using a Slide-In Camper..................................... 13
634
F-150 (TFC) Canada/United States of America, enUSA, Edition date: 201709, Fifth-Printing Index