Dodge 2010 Ram Truck Owner's Manual page 431

• The tire light load inflation switch will allow the driver
to change between the max load inflation pressure
(cold) low pressure warning threshold and the light
load inflation pressure (cold) low pressure warning
threshold depending on the vehicle's load condition.
Refer to the "Supplemental Tire Pressure Information"
label for the vehicle's Light Load inflation pressures
and "Tire and Loading Information" label for the
vehicle's Max Load inflation pressures.
Example Supplemental Tire Pressure Label
To switch from the max load inflation pressure (cold) low
pressure warning threshold to the light load inflation
pressure (cold) low pressure warning threshold, begin by
placing the ignition switch in the RUN position. Next,
lower all four road tire pressures to the Light Load
Inflation Pressure values as listed on the Supplemental
Tire Pressure Information label. The Supplemental Tire
Pressure Information label is located on the rear face of
I n f o r m a t i o n P r o v i d e d b y :
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