tire size DODGE CHALLENGER SRT 2011 3.G User Guide
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Page 309 of 460

WARNING!
•Do not use a tire, wheel size or rating other than
that specified for your vehicle. Some combinations
of unapproved tires and wheels may change sus-
pension dimensions and performance characteris-
tics, resulting in changes to steering, handling, and
braking of your vehicle. This can cause unpredict-
able handling and stress to steering and suspen-
sion components. You could lose control and have
a collision resulting in serious injury or death. Use
only the tire and wheel sizes with load ratings
approved for your vehicle.
•Never use a tire with a smaller load index or
capacity, other than what was originally equipped
on your vehicle. Using a tire with a smaller load
index could result in tire overloading and failure.
You could lose control and have a collision.(Continued)
WARNING! (Continued)
•Failure to equip your vehicle with tires having
adequate speed capability can result in sudden tire
failure and loss of vehicle control.
CAUTION!
Replacing original tires with tires of a different size
may result in false speedometer and odometer read-
ings.
TIRE CHAINS
Use only compact chains or other traction aids that meet
SAE type “Class S” specifications. Chains must be the
proper size for the vehicle, as recommended by the chain
manufacturer. Only install tire chains on 245/45ZR20 size
tires.
NOTE:Do not use tire chains on a compact spare tire.
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SNOW TIRES
Some areas of the country require the use of snow tires
during the winter. All season tires can be identified by the
M+S designation on the tire sidewall.
If you need snow tires, select tires equivalent in size and
type to the original equipment tires. Use snow tires only
in sets of four; failure to do so may adversely affect the
safety and handling of your vehicle.
Snow tires generally have lower speed ratings than what
was originally equipped with your vehicle and should
not be operated at sustained speeds over 75 mph
(120 km/h). For speeds above 75 mph (120 km/h) refer to
original equipment or an authorized tire dealer for
recommended safe operating speeds, loading and cold
tire inflation pressures.
While studded tires improve performance on ice, skid and
traction capability on wet or dry surfaces may be poorerthan that of non-studded tires. Some states prohibit studded
tires; therefore, local laws should be checked before using
these tire types.
TIRE ROTATION RECOMMENDATIONS
The tires on the front and rear of your vehicle operate at
different loads and perform different steering, driving,
and braking functions. For these reasons, they wear at
unequal rates.
These effects can be reduced by timely rotation of tires.
The benefits of rotation are especially worthwhile with
aggressive tread designs such as those on all season type
tires. Rotation will increase tread life, help to maintain
mud, snow, and wet traction levels, and contribute to a
smooth, quiet ride.
Refer to the “Maintenance Schedule” for the proper main-
tenance intervals. Remember, more frequent rotation is
permissible if desired. Also, correct for anything causing
rapid or unusual wear prior to performing the tire rotation.
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Tire Rotation – Four Season/RSA Tires
The suggested rotation method for vehicles equipped
with all season tires is the “forward-cross” as shown in
the following diagram.
Tire Rotation – F1 Three Season Tires
The suggested rotation method is the “side-to-side” as
shown in the following diagram. This method is required
due to different size tires on the front and rear of the
vehicle.
Tire Rotation
Tire Rotation
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For example, your vehicle may have a recommended
cold (parked for more than three hours) placard pressure
of 30 psi (207 kPa). If the ambient temperature is 68°F
(20°C) and the measured tire pressure is 27 psi (186 kPa),
a temperature drop to 20°F (-7°C) will decrease the tire
pressure to approximately 23 psi (158 kPa). This tire
pressure is sufficiently low enough to turn ON the “TPM
Telltale Light.” Driving the vehicle may cause the tire
pressure to rise to approximately 27 psi (186 kPa), but the
“TPM Telltale Light” will still be ON. In this situation, the
“TPM Telltale Light” will turn OFF only after the tires are
inflated to the vehicle’s recommended cold placard pres-
sure value.CAUTION!
•The TPMS has been optimized for the original
equipment tires and wheels. TPMS pressures and
warning have been established for the tire size
equipped on your vehicle. Undesirable system
operation or sensor damage may result when us-
ing replacement equipment that is not of the same
size, type, and/or style. Aftermarket wheels can
cause sensor damage. Do not use aftermarket tire
sealants or balance beads if your vehicle is
equipped with a TPMS, as damage to the sensors
may result.
•After inspecting or adjusting the tire pressure,
always reinstall the valve stem cap. This will
prevent moisture and dirt from entering the valve
stem, which could damage the TPM sensor.
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Quality Grading..................... 433
Radial ............................ 303
Replacement ........................ 306
Rotation ........................... 309
Safety .......................... 290,300
Sizes ............................. 292
Snow Tires ......................... 309
Spinning ........................... 304
Tread Wear Indicators ................. 304
To Open Hood .......................... 137
Towing ............................... 327
24-Hour Towing Assistance ............. 107
Disabled Vehicle ..................... 348
Recreational ........................ 327
Towing Assistance ....................... 107
Traction Control ......................... 283
Trailer Towing .......................... 327
Transmission ........................... 380
Automatic .................... 261,264,380Fluid
............................. 403
Manual ........................... 257
Shifting ......................... 259,261
Transmitter Battery Service
(Remote Keyless Entry) .................... 26
Transmitter Programming
(Remote Keyless Entry) .................... 21
Transmitter, Garage Door Opener (HomeLink®) . . 152
Transmitter, Remote Keyless Entry (RKE) ........ 21
Transporting Pets ........................ 79
Tread Wear Indicators .................... 304
Trip Odometer .......................... 174
Trunk Lid (Deck Lid) .................... 40,42
Trunk Release Remote Control ............... 40
Trunk Release, Emergency .................. 42
Turn Signals ......................... 142,176
UCI Connector ......................... 226
Uconnect™ (Hands-Free Phone) .............. 93
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INDEX 453