2011 CHEVROLET SILVERADO tire size

Black plate (76,1)Chevrolet Silverado Owner Manual - 2011
10-76 Vehicle Care
Replacing less than a full set of
tires can affect the braking and
handling performance of your
vehicle. SeeTire Inspection
on
page 10‑71and Tire Rotationon
page 10‑71for information on
proper tire rotation.
{WARNING
Tires could explode during
improper service. You or others
could be injured or killed if you
attempt to mount or dismount
a tire. Only your dealer or an
authorized tire service center
should mount and dismount
the tires.
{WARNING
Mixing tires could cause you
to lose control while driving.
If you mix tires of different sizes,
(Continued)
WARNING (Continued)
brands, or types (radial and
bias-belted tires), the vehicle
might not handle properly, and
you could have a crash. Using
tires of different sizes, brands,
or types could also cause
damage to your vehicle. Be sure
to use the same size, brand, and
type of tires on all wheels.
Your vehicle may have a different
size spare than the road tires
(those originally installed on your
vehicle). When new, your vehicle
included a spare tire and wheel
assembly with a similar overall
diameter as your vehicle's road
tires and wheels, so it is all right
to drive on it. Because this spare
was developed for use on your
vehicle, it will not affect vehicle
handling.
{WARNING
If you use bias-ply tires on
the vehicle, the wheel rim
flanges could develop cracks
after many miles of driving.
A tire and/or wheel could fail
suddenly, causing a crash.
Use only radial-ply tires with
the wheels on the vehicle.
If you must replace your vehicle's
tires with those that do not have
a TPC Spec number, make sure
they are the same size, load range,
speed rating, and construction type
(radial and bias‐belted tires) as your
vehicle's original tires.

Black plate (77,1)Chevrolet Silverado Owner Manual - 2011
Vehicle Care 10-77
Vehicles that have a tire pressure
monitoring system may give an
inaccurate low‐pressure warning
if non‐TPC Spec-rated tires
are installed on your vehicle.
Non‐TPC Spec-rated tires may
give a low‐pressure warning that
is higher or lower than the proper
warning level you would get with
TPC Spec-rated tires. SeeTire
Pressure Monitor System
on
page 10‑65.
Your vehicle's original equipment
tires are listed on the Tire and
Loading Information label. See
Vehicle Load Limits
on page 9‑23for more information about the Tire
and Loading Information label and
its location on your vehicle.
Different Size Tires and
Wheels
If you add wheels or tires that are
a different size than your original
equipment wheels and tires, this
could affect the way your vehicle
performs, including its braking,
ride and handling characteristics,
stability, and resistance to rollover.
Additionally, if your vehicle has
electronic systems such as antilock
brakes, rollover airbags, traction
control, and electronic stability
control, the performance of these
systems can be affected.
{WARNING
If you add different sized wheels,
your vehicle may not provide an
acceptable level of performance
and safety if tires not
recommended for those wheels
are selected. You may increase
the chance that you will crash and
suffer serious injury. Only use GM
specific wheel and tire systems
developed for your vehicle, and
have them properly installed by
a GM certified technician.
See Buying New Tires
on
page 10‑75and Accessories and
Modificationson page 10‑3for
additional information.

Black plate (81,1)Chevrolet Silverado Owner Manual - 2011
Vehicle Care 10-81
Tire Chains
{WARNING
If your vehicle has dual wheels
or P265/65R18, P275/55R20 or
LT265/70R17 size tires, do not
use tire chains. They can damage
your vehicle because there is not
enough clearance. Tire chains
used on a vehicle without the
proper amount of clearance can
cause damage to the brakes,
suspension, or other vehicle
parts. The area damaged by the
tire chains could cause you to
lose control of your vehicle and
you or others may be injured in
a crash.
Use another type of traction
device only if its manufacturer
recommends it for use on your
vehicle and tire size combination
and road conditions. Follow that
manufacturer's instructions.(Continued)
WARNING (Continued)
To help avoid damage to your
vehicle, drive slowly, readjust,
or remove the device if it is
contacting your vehicle, and do
not spin your vehicle's wheels.
If you do find traction devices that
will fit, install them on the rear
tires.
Notice: If your vehicle does
not have dual wheels and has a
tire size other than P265/65R18,
P275/55R20 or LT265/70R17, use
tire chains only where legal and
only when you must. Use chains
that are the proper size for your
tires. Install them on the tires of
the rear axle. Do not use chains
on the tires of the front axle.
Tighten them as tightly as
possible with the ends securely
fastened. Drive slowly and
follow the chain manufacturer's instructions. If you can hear the
chains contacting your vehicle,
stop and retighten them. If the
contact continues, slow down
until it stops. Driving too fast or
spinning the wheels with chains
on will damage your vehicle.
If a Tire Goes Flat
It is unusual for a tire to blowout
while you are driving, especially if
you maintain your vehicle's tires
properly. If air goes out of a tire, it is
much more likely to leak out slowly.
But if you should ever have a
blowout, here are a few tips about
what to expect and what to do:
If a front tire fails, the flat tire
creates a drag that pulls the vehicle
toward that side. Take your foot
off the accelerator pedal and grip
the steering wheel firmly. Steer to
maintain lane position, and then
gently brake to a stop well out of
the traffic lane.

Black plate (95,1)Chevrolet Silverado Owner Manual - 2011
Vehicle Care 10-95
Full-Size Spare Tire
Your vehicle, when new, had a
fully-inflated spare tire. A spare
tire may lose air over time, so
check its inflation pressure regularly.
SeeTire Pressure
on page 10‑63andVehicle Load Limitson
page 9‑23for information regarding
proper tire inflation and loading your
vehicle. For instruction on how to
remove, install or store a spare tire,
see “Removing the Flat Tire and
Installing the Spare” and“Storing a
Flat or Spare Tire and Tools” under
Tire Changing on page 10‑83. Notice:
If the vehicle has
four-wheel drive and the different
size spare tire is installed on the
vehicle, do not drive in four-wheel
drive until you can have your flat
tire repaired and/or replaced.
You could damage the vehicle,
and the repair costs would not
be covered by your warranty.
Never use four-wheel drive when
the different size spare tire is
installed on the vehicle.
Your vehicle may have a different
size spare tire than the road tires
originally installed on your vehicle.
This spare tire was developed for
use on your vehicle, so it is all right
to drive on it. If your vehicle has
four-wheel drive and the different
size spare tire is installed, keep the
vehicle in two-wheel drive. After installing the spare tire on your
vehicle, you should stop as soon as
possible and make sure the spare
tire is correctly inflated. Have the
damaged or flat road tire repaired or
replaced as soon as you can and
installed back onto your vehicle.
This way, the spare tire will be
available in case you need it again.
Do not mix tires and wheels of
different sizes, because they will
not fit. Keep your spare tire and its
wheel together. If your vehicle has a
spare tire that does not match your
vehicle's original road tires and
wheels in size and type, do not
include the spare in the tire rotation.

Black plate (6,1)Chevrolet Silverado Owner Manual - 2011
i-6 INDEX
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-83Additives . . . . . . . . . . . . . . . . . . . . . 9-85
E85 (85% Ethanol) . . . . . . . . . . . 9-86
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-89
Filling the Tank . . . . . . . . . . . . . . . 9-88
Fuels in Foreign Countries . . . . 9-85
Gasoline Specifications . . . . . . . 9-84
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Low Fuel Warning Light . . . . . . . 5-33
Management, Active . . . . . . . . . . 9-41
Recommended . . . . . . . . . . . . . . . 9-84
Requirements, California . . . . . 9-84
System Messages . . . . . . . . . . . . 5-48
Fuel Economy Driving for Better . . . . . . . . . . . . . 1-34
Full-Size Spare Tire . . . . . . . . . . 10-95
Fuses Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-48
Fuses and Circuit
Breakers . . . . . . . . . . . . . . . . . . 10-48
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-52G
Garage Door Opener . . . . . . . . . . 5-61Programming . . . . . . . . . . . . . . . . . 5-61
Gasoline Specifications . . . . . . . . . . . . . . . . . 9-84
Gauges Engine Coolant
Temperature . . . . . . . . . . . . . . . . 5-19
Engine Oil Pressure . . . . . . . . . . 5-18
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Odometer . . . . . . . . . . . . . . . . . . . . . 5-16
Speedometer . . . . . . . . . . . . . . . . . 5-16
Tachometer . . . . . . . . . . . . . . . . . . . 5-17
Trip Odometer . . . . . . . . . . . . . . . . 5-16
Voltmeter . . . . . . . . . . . . . . . . . . . . . 5-20
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 5-12
General Information Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-90
Vehicle Care . . . . . . . . . . . . . . . . . . 10-3
Glass Replacement . . . . . . . . . . . 10-40
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . 13-7
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-43
Hazard Warning Flashers . . . . . . . 6-5
Head Restraints . . . . . . . . . . . . . . . . 3-2
Headlamps . . . . . . . . . . . . . . . . . . . 10-43
Aiming . . . . . . . . . . . . . . . . . . . . . . 10-40
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-4
Bulb Replacement . . . . . . . . . . 10-43
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . 6-4
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
High-Beam On Light . . . . . . . . . . 5-33
High/Low Beam Changer . . . . . . 6-3
Heated Front Seats . . . . . . . . . . . . 3-11
Heated Mirrors . . . . . . . . . . . . . . . . . 2-18
Heater Engine Coolant . . . . . . . . . . . . . . . 9-37
High-Beam On Light . . . . . . . . . . . 5-33
High-Speed Operation . . . . . . . . 10-65
Highway Hypnosis . . . . . . . . . . . . . 9-19
Hill and Mountain Roads . . . . . . . 9-19
Hill Start Assist (HSA) . . . . . . . . . 9-70
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5

Black plate (12,1)Chevrolet Silverado Owner Manual - 2011
i-12 INDEX
ShiftingInto Park . . . . . . . . . . . . . . . . . . . . . . 9-38
Out of Park . . . . . . . . . . . . . . . . . . . 9-40
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . . 6-6
Snow Plow . . . . . . . . . . . . . . . . . . . 9-123
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 12-2
Speedometer . . . . . . . . . . . . . . . . . . 5-16
StabiliTrak
®Indicator Light . . . . 5-31
StabiliTrak®System . . . . . . . . . . . 9-70
Start Assist, Hills . . . . . . . . . . . . . . 9-70
Start Vehicle, Remote . . . . . . . . . . 2-5
Starter Switch Check . . . . . . . . . 10-37
Starting the Engine . . . . . . . . . . . . 9-35
Starting the Vehicle Messsages . . . . . . . . . . . . . . . . . . . 5-50
Steering . . . . . . . . . . . . . . . . . . . . . . . . 9-4 Fluid, Power . . . . . . . . . . . . . . . . 10-27
Wheel Adjustment . . . . . . . . . . . . . 5-2
Wheel Controls . . . . . . . . . . . . . . . . 5-3
Stoplamps and Back-Up Lamps Bulb Replacement . . . . . . . . . . 10-45 Storage Areas
Armrest . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Center Console . . . . . . . . . . . . . . . . 4-2
Glove Box . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel . . . . . . . . . . . . . . 4-1
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-22
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-22
Sunroof . . . . . . . . . . . . . . . . . . 2-22, 2-23
Switches Airbag On-Off . . . . . . . . . . . . . . . . . 3-39
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv
System
Noise Control . . . . . . . . . . . . . . . 10-36
T
Tachometer . . . . . . . . . . . . . . . . . . . . 5-17
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Taillamps . . . . . . . . . . . . . . . . . . . . . 10-44Bulb Replacement . . . . . . . . . . 10-45
Text Telephone (TTY) Users . . . . . . . . . . . . . . . . . . . . . . . . 13-6
Theft-Deterrent Systems . . . . . . . 2-14 Immobilizer . . . . . . . . . . . . . . . . . . . 2-14 Throttle, Adjustable . . . . . . . . . . . . 9-32
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Tires
Buying New Tires . . . . . . . . . . . 10-75
Chains . . . . . . . . . . . . . . . . . . . . . . 10-81
Changing . . . . . . . . . . . . . . . . . . . 10-83
Designations . . . . . . . . . . . . . . . 10-59
Different Size . . . . . . . . . . . . . . . 10-77
Dual Rotation . . . . . . . . . . . . . . . 10-73
Full-Size Spare . . . . . . . . . . . . . 10-95
If a Tire Goes Flat . . . . . . . . . . 10-81
Inflation Monitor System . . . . 10-67
Inspection . . . . . . . . . . . . . . . . . . 10-71
Messages . . . . . . . . . . . . . . . . . . . . 5-51
Pressure . . . . . . . . . . . . . . . . . . . . 10-65
Pressure Light . . . . . . . . . . . . . . . . 5-32
Pressure MonitorSystem . . . . . . . . . . . . . . . . . . . . 10-65
Rotation . . . . . . . . . . . . . . . . . . . . 10-71
Sidewall Labeling . . . . . . . . . . . 10-56
Terminology and Definitions . . . . . . . . . . . . . . . . . 10-60
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 10-78

Black plate (14,1)Chevrolet Silverado Owner Manual - 2011
i-14 INDEX
W
Warning Lights, Gauges,and Indicators . . . . . . . . . . . . . . . . 5-12
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . iv Cautions and Danger . . . . . . . . . . . .iv
Hazard Flashers . . . . . . . . . . . . . . . 6-5
Washer Fluid . . . . . . . . . . . . . . . . . 10-28
Washer Fluid Messages . . . . . . . 5-53
Wheels
Alignment and TireBalance . . . . . . . . . . . . . . . . . . . 10-79
Different Size . . . . . . . . . . . . . . . 10-77
Replacement . . . . . . . . . . . . . . . 10-80
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . 10-74
Where to Put the
Child Restraint . . . . . . . . . . . . . . . 3-57 Windows . . . . . . . . . . . . . . . . . . . . . . 2-20
Manual . . . . . . . . . . . . . . . . . . . . . . . 2-20
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Windshield Wiper/Washer . . . . . . . . . . . . . . . . . 5-5
Winter Driving . . . . . . . . . . . . . . . . . 9-20
Wiper Blade Replacement . . . . 10-39