RAM 2500 2019 Owner's Manual page 538

536 SERVICING AND MAINTENANCE
Tire Terminology And Definitions
Term
B-Pillar
Cold Tire Inflation Pressure
Maximum Inflation Pressure
Recommended Cold Tire Inflation Pressure
Tire Placard
The vehicle B-Pillar is the structural member of the body located behind
the front door.
Cold tire inflation pressure is defined as the tire pressure after the vehicle
has not been driven for at least three hours, or driven less than 1 mile
(1.6 km) after sitting for a minimum of three hours. Inflation pressure is
measured in units of PSI (pounds per square inch) or kPa (kilopascals).
The maximum inflation pressure is the maximum permissible cold tire
inflation pressure for this tire. The maximum inflation pressure is
molded into the sidewall.
Vehicle manufacturer's recommended cold tire inflation pressure as
shown on the tire placard.
A label permanently attached to the vehicle describing the vehicle's
loading capacity, the original equipment tire sizes and the recommended
cold tire inflation pressures.
Definition