2007 CHEVROLET CORVETTE wheel
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If a tire goes at, you won’t need to stop on the side
of the road to change the tire. You can just keep on
driving. The shorter the distance you drive and the
slower the speed, the greater the chance that the
tire will not have to be replaced. If you drive on a
de ated EMT for 25 miles (40 km) or less and at
speeds of 55 mph (90 km/h) or less, there is a
good chance that the tire can be repaired. The
tire can operate effectively with no air pressure
for up to 100 miles (160 km) at speeds up to
55 mph (90 km/h), but the tire would then have to
be replaced. When a tire is lled with air, it provides
a cushion between the road and the wheel.
Because you won’t have this cushion when driving
on a de ated tire, try to avoid potholes that could
damage your wheel and require replacement of it.
Some road hazards can damage a tire beyond
repair. This damage could occur even before
you’ve driven on the tire in a de ated condition.
When a tire has been damaged, or if you’ve driven
any distance on a de ated EMT, check with an
authorized Goodyear EMT Service Center to
determine whether the tire can be repaired or
should be replaced. To maintain your vehicle’s
extended mobility feature, all replacement
tires must be Extended Mobility Tires.As soon as possible, contact the nearest
authorized GM or Goodyear EMT servicing facility
for inspection and repair or replacement. To locate
the nearest GM or Goodyear EMT servicing facility,
call Roadside Assistance. For phone numbers
and Roadside Assistance details seeRoadside
Assistance Program on page 458. You may also
contact Goodyear, for the nearest authorized EMT
servicing facility, by calling 1-800-789-9878.
{CAUTION:
Extended mobility tires are constructed
differently than other tires and could
explode during improper service. You or
others could be injured or killed if you
attempt to repair, replace, dismount, or
mount a extended mobility tire. Let only
an authorized EMT Service Center repair,
replace, dismount and mount extended
mobility tires.
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The valve stems on your extended mobility
tires have sensors that are part of the Tire
Pressure Monitor (TPM). SeeTire Pressure
Monitor System on page 389. The TPM sensors
contain batteries which are designed to last
for 10 years under normal driving conditions.
See your dealer if you ever need to have a
wheel replaced, or if the sensors ever need
replacement.
Notice:Using liquid sealants can damage
the tire valves and tire pressure monitor
sensors in your extended mobility tires.
This damage would not be covered by
warranty. Don’t use liquid sealants in
your extended mobility tires.In ation - Tire Pressure
Tires need the correct amount of air pressure
to operate effectively.
Notice:Do not let anyone tell you that
under-in ation or over-in ation is all right.
It is not. If your tires do not have enough air
(under-in ation), you can get the following:
Too much exing
Too much heat
Tire overloading
Premature or irregular wear
Poor handling
Reduced fuel economy
If your tires have too much air (over-in ation),
you can get the following:
Unusual wear
Poor handling
Rough ride
Needless damage from road hazards
A Tire and Loading Information label is attached to
the vehicle’s b-pillar. This label lists your vehicle’s
original equipment tires and shows the correct
in ation pressures for your tires when they are cold.
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Tire Pressure Monitor System
The Tire Pressure Monitor System (TPMS) uses
radio and sensor technology to check tire pressure
levels. TPMS sensors are mounted onto each
tire and wheel assembly. The TPMS sensors
monitor the air pressure in your vehicle’s tires
and transmit tire pressure readings to a receiver
located in the vehicle.
The TPMS is designed to alert the driver if a
low pressure condition exists. Using the Driver
Information Center (DIC), tire pressure levels can
be viewed by the driver. For additional information
and details about the DIC operation and displays
seeDIC Controls and Displays on page 208
andDIC Warnings and Messages on page 214.
When a low tire pressure condition is detected,
the TPMS will illuminate the low tire pressure
warning symbol located in the instrument panel
cluster. A DIC message to check the pressure in a
speci c tire will also appear on the DIC display.The low tire pressure warning symbol on the
instrument panel cluster and the LOW TIRE
PRESSURE message on the DIC display will
appear at each ignition cycle until the tires
are in ated to the correct in ation pressure.
You may notice, during cooler weather conditions,
that the low tire pressure warning light and the
DIC warning message will appear when the vehicle
is rst started and then turn off as you start to
drive the vehicle. This could be an early indicator
that the tire pressures are getting low and
need to be in ated to the proper pressure.
Each tire, including the spare (if provided), should
be checked monthly when cold and in ated to
the in ation pressure recommended by the
vehicle manufacturer on the vehicle placard or
tire in ation pressure label. (If your vehicle
has tires of a different size than the size indicated
on the vehicle placard or tire in ation pressure
label, you should determine the proper tire
in ation pressure for those tires.)
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When the malfunction indicator is illuminated,
the system may not be able to detect or signal
low tire pressure as intended. TPMS malfunctions
may occur for a variety of reasons, including
the installation of replacement or alternate tires or
wheels on the vehicle that prevent the TPMS
from functioning properly. Always check the TPMS
malfunction telltale after replacing one or more
tires or wheels on your vehicle to ensure that the
replacement or alternate tires and wheels allow
the TPMS to continue to function properly.
A Tire and Loading Information label, attached to
your vehicle, shows the size of your vehicle’s
original equipment tires and the correct in ation
pressure for your vehicle’s tires when they
are cold. SeeLoading Your Vehicle on page 309,
for an example of the tire information label and
its location on your vehicle. Also seeIn ation - Tire
Pressure on page 386.Your vehicle’s TPMS can alert you about a
low or high tire pressure condition but it does
not replace normal tire maintenance. See
In ation - Tire Pressure on page 386and
When It Is Time for New Tires on page 393.
The SERVICE TIRE MONITOR message,
in the DIC, is displayed when the TPMS is
malfunctioning. For example, one or more
TPMS sensors may be inoperable or missing.
Also, the active handling system will be affected,
seeActive Handling System on page 283.
See your dealer for service.
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TPMS Sensor Identi cation Codes
Each TPMS sensor has a unique identi cation
code. Any time you replace one or more of the
TPMS sensors, the identi cation codes will need
to be matched to the new tire/wheel position.
The sensors are matched, to the tire/wheel
positions, in the following order: driver’s side front
tire, passenger’s side front tire, passenger’s side
rear tire, and driver’s side rear tire using a TPMS
diagnostic tool. See your GM dealer for service.
Federal Communications
Commission (FCC) and Industry
and Science Canada
The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies
with Part 15 of the FCC Rules. Operation is
subject to the following two conditions:
1. This device may not cause harmful
interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation.The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies
with RSS-210 of Industry and Science
Canada. Operation is subject to the following
two conditions:
1. This device may not cause interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation of the device.
Changes or modi cations to this system by other
than an authorized service facility could void
authorization to use this equipment.
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Tire Rotation
The tires on your vehicle are different sizes front
to rear. Due to this, your tires should not be
rotated. Each tire and wheel should be used
only in the position it is in.
When It Is Time for New Tires
One way to tell when
it is time for new
tires is to check the
treadwear indicators,
which will appear when
your tires have only
1/16 inch (1.6 mm) or
less of tread remaining.You need a new tire if any of the following
statements are true:
You can see the indicators at three or more
places around the tire.
You can see cord or fabric showing through
the tire’s rubber.
The tread or sidewall is cracked, cut or
snagged deep enough to show cord or fabric.
The tire has a bump, bulge or split.
The tire has a puncture, cut or other damage
that cannot be repaired well because of the
size or location of the damage.
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Buying New Tires
GM has developed and matched speci c tires
for your vehicle. The original equipment tires
installed on your vehicle, when it was new,
were designed to meet General Motors Tire
Performance Criteria Speci cation (TPC spec)
system rating. If you need replacement tires,
GM strongly recommends that you get tires with
the same TPC Spec rating. This way, your vehicle
will continue to have tires that are designed to
give the same performance and vehicle safety,
during normal use, as the original tires.
GM’s exclusive TPC Spec system considers over
a dozen critical speci cations that impact the
overall performance of your vehicle, including
brake system performance, ride and handling,
traction control, and tire pressure monitoring
performance. GM’s TPC Spec number is molded
onto the tire’s sidewall by the tire manufacturer.
If the tires have an all-season tread design,
the TPC spec number will be followed by an
MS for mud and snow. SeeTire Sidewall
Labeling on page 380for additional information.Winter tires with the same speed rating as your
original equipment tires may not be available for H,
V, W, Y, and ZR speed rated tires. If you choose
snow tires with a lower speed rating, never
exceed the tire’s maximum speed capability.
{CAUTION:
Mixing tires could cause you to lose
control while driving. If you mix tires of
different sizes (other than those originally
installed on your vehicle), brands, or
types (radial and bias-belted tires), the
vehicle may not handle properly, and
you could have a crash. Using tires of
different sizes (other than those originally
installed on your vehicle), brands or
types, may also cause damage to your
vehicle. Be sure to use the correct size,
brand, and type tires on all four wheels.
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{CAUTION:
If you use bias-ply tires on your vehicle,
the wheel rim anges 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 your 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.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 389.
Your vehicle’s original equipment tires are listed
on the Tire and Loading Information label.
This label is attached to the vehicle’s center pillar
(B-pillar). SeeLoading Your Vehicle on page 309
for more information about the Tire and Loading
Information label and its location on your vehicle.
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