Tires - General Information; Tire Pressure - Jeep 2009 Grand Cherokee Owner's Manual

WARNING!
Overloading of your tires is dangerous. Overloading
can cause tire failure, affect vehicle handling, and
increase your stopping distance. Use tires of the
recommended load capacity for your vehicle. Never
overload them.
TIRES — GENERAL INFORMATION

Tire Pressure

Proper tire inflation pressure is essential to the safe and
satisfactory operation of your vehicle. Three primary
areas are affected by improper tire pressure:
Safety
WARNING!
Improperly inflated tires are dangerous and can
cause accidents.
Underinflation increases tire flexing and can result
in tire failure.
Overinflation reduces a tire's ability to cushion
shock. Objects on the road and chuckholes can cause
damage that result in tire failure.
Unequal tire pressures can cause steering prob-
lems. You could lose control of your vehicle.
Overinflated or underinflated tires can affect ve-
hicle handling and can fail suddenly, resulting in
loss of vehicle control.
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