Should an Automatic Transmission Vehicle be Started in N Gear or P Gear?

1 Answers
LeElizabeth
07/30/25 12:22am
Automatic transmission models control gear changes through the vehicle's onboard computer, where moving the gear shift lever generates signals. Therefore, it is more correct to start the vehicle in P gear. However, for automatic transmission vehicles, starting in either P gear or N gear is feasible, and there is no claim that starting in P gear harms the transmission. Below is an introduction to starting in different gears: 1. From the principle of the transmission, the gear lever does not directly change the transmission's gear. The movement of the gear lever only generates a signal, which is processed by the transmission control system (TCU), equivalent to a microcontroller, and then determines whether to shift gears based on pre-set programs. Thus, for actions that could potentially harm the transmission, the TCU can reduce their occurrence to some extent. 2. Therefore, as long as you do not stay in R gear after starting in P gear, it will not cause harm to the transmission. Hence, it is recommended to start the vehicle in P gear in daily life. Starting in P gear is more worry-free, fuel-efficient, and offers more benefits.
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