As the saying goes: “Where the rubber meets the road”
Meaning something will reach its crucial point. Obviously, this expression usually refers to automobile tires. Since those critical pieces of rubber are part of the vehicle which makes contact with the pavement.
It’s the reason why it is really important to maintain and know the exact amount of air pressure should exert in vehicle tires. To get the exact amount, you must not turn to the tire itself instead to your vehicle. The label often found in its doorjamb. Also, that is where you can find the vehicle manufacturer’s recommended inflation level for your vehicle.
However, if you cannot find in there, try to check the owner’s manual. In addition, read this infographic to understand why tire inflation matters.