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What is the best gear to use for an automatic transmission car on the highway?

1 Answers

DelSerenity

07/29/25 6:07pm

For an automatic transmission car on the highway, the D gear is the best choice. The reasons are: 1. The D gear is the forward gear of the car, and it can meet the power requirements of the car in most road conditions, whether on the highway or during daily travel. 2. The D gear optimizes the operation of the transmission according to the driving conditions of the car, making the car more fuel-efficient. Information about the D gear of the car is as follows: 1. D gear: Also known as the drive gear, when the gear shift lever is placed in this position, the hydraulic control system automatically connects the corresponding forward gear oil circuit based on the throttle opening signal and vehicle speed signal. 2. Usage: The "+" and "-" symbols next to the D gear are unique to manual-automatic transmission models, used for upshifting or downshifting in the manual mode of the transmission. The manual mode is often labeled as M gear or S gear.

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