Sensors within the tire or on the car send information to one or several modules in the car.
Air pressure sensor car.
For direct tire pressure monitoring this is often between 28 and 35 pounds per square inch psi of air in the tire.
A tire pressure sensor is a small programmable electronic device located in the pressurized pocket made by a wheel and tire that constantly measures the air pressure inside the tire.
Tire pressure monitoring sensors give you the advantage of receiving automated updates via a light on your dash when one or more of your tires are severely underinflated.
These modules are programmed with a range of acceptable circumstances.
These parts sometimes come standard on newer vehicles and help to eliminate the uncertainty about tire pressure as a whole making it an excellent addition for drivers who may.
In this video i show how to break a tire bead.