Should You Use P Gear or N Gear When Warming Up the Car?

[BarrettLee]

Whether to use P gear or N gear when warming up the car depends on the situation: 1. If the intended direction is reverse, use P gear for warming up. There is no need to adjust any gears from warming up to driving when in P gear; 2. If the intended direction is forward, you can use either N gear or P gear. In both gears, the power transmission and gearbox are disconnected, which has no impact on the car. The reasons for warming up the car are: 1. After the car has been parked for a long time, the engine oil flows back to the oil pan at the bottom of the engine. Therefore, when starting the engine after a long period of disuse (such as overnight), the upper part of the engine is in a state without oil and lacks lubrication; 2. Before the engine reaches its operating temperature, the fuel supply system cannot effectively vaporize gasoline completely due to the low temperature.