What does 'press' mean in a car?

[AdelineLee]

In a car, 'press' refers to the oil pressure indicated on the dashboard. Below is an introduction to oil pressure: 1. Introduction: Oil pressure refers to the residual pressure of crude oil flowing from the bottom of the well to the wellhead. 2. Categories: It is divided into static pressure and flowing pressure. The oil pressure when the well is closed is called static pressure, while the oil pressure during production is called flowing pressure. Due to friction and resistance losses, flowing pressure is lower than static pressure. Static pressure can intuitively indicate the decline in formation pressure, while flowing pressure is related to production output—when production increases, flowing pressure decreases. 3. Conditions: The oil pressure when the ignition is turned on is generally 280 kPa, the idle oil pressure is 250 kPa, the maximum oil pressure is around 750 kPa, the regulated oil pressure is about 300 kPa, and the residual oil pressure is approximately 150 kPa.