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Tire Pressures For High Speed Operation
The manufacturer advocates driving at safe speeds and
within posted speed limits. Where speed limits or condi-
tions are s uch that the vehicle can be driven at high
speeds, maintaining correct tire inflation pressure is
very important. Incr ease d tire pressur e and reduced
vehicle loading may be required for high-speed vehicle
operation. Refer to an authorized tire dealer or original
equipment vehicle dealer for recommended safe oper-
ating speeds, lo adi ng and cold tire inflation pressures.
WARNING!
High speed dri ving with your vehicle under maximum
load is dangerous. The added strain on your tires could
cause them to fail. You could have a serious colli sio n.
Do not drive a vehicle loaded to the maximum capacity
at continuous speeds above 75 mph (120 km/h).
Radial Ply Tires
WARNING!
Combining radial ply tires with other types of tires on
your vehicle will cause your vehicle to handle poorly.
The instability c ou ld cause a collision. Always use
radial ply tir es in sets of four. Never combi ne them
with other types of tires.
Tire Repair
If your tire becomes damaged, it may be repair ed if it
meets the following criteria:
•
The tire has not been driven on when flat.
•
The damage is only on the tread section of your tire
(sidewall damage is not repairable).
•
The puncture i s no greater than ¼ of an inch
(6 mm).
Consult an autho ri zed tire dealer for tire repairs and
additional information.
Damaged Run Flat tires, or Run Flat tires that have
experienced a loss of pressure should be replaced
immediately with another Run Flat tire of identical size
and service description (Load Index and Speed Sym-
bol). Replace the ti re pressure sens or as well as it is not
designed to be reused.
Run Flat Tires — If Equipped
Run Flat tires allow you the capability to drive 50 miles
(80 km) at 50 mph (80 km/h) after a rapid loss o f infla-
tion pressure. This rapid los s of inflation is referred to
as the Run Flat mode. A Run Flat mode occurs when
the tire inflation pressure is of/or below 14 psi (96
kPa). Once a Run Flat tire reaches the run flat mode it
has limited driving capabilities and needs to be
replaced immediately. A Run Flat tire is not repairable.
When a Run Flat tire is changed after being d ri ven in a
Run Flat mode 14 psi (96 kPa) condition, please
replace the TPMS sensor as it is not designed to be
reused.
NOTE:
TPMS sensor must be replaced after driving the vehicle
on a flat tire conditio n.
It is not recommended driving a vehicle loaded at full
capacity or to tow a trailer while a tire is in the Run Flat
mode.
See the Tire Pressure Moni toring System section for
more information.
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not
spin your vehicle's wheels above 30 mph (48 km/h) or for
longer than 30 seconds continuously without stopping.
For further information page 279.
WARNING!
Fast spinning tires can be dangerous. Forces gener-
ated by excessive wheel speeds may cause tire dam-
age or failure. A tire could explode and injure some-
one. Do not spin your vehicle's wheels faster than
30 mph (48 km/h) for more than 30 seconds con-
tinuously when you are stuck, and do not let anyone
near a spinning wheel, no matter what the speed.
Tread Wear Indicators
Tread wear indicators are in the original equipment t ir es
to help you in determining when your tires should be
replaced.
Tire Tread
1 — Tread Wear Indicators
SERVICING AND MAINTENANCE 327
8
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