What does automatic transmission D321 mean?

1 Answers
LeEmersyn
07/30/25 3:22am
Automatic transmission D1, D2, D3 are the low gear modes of the transmission. Automatic transmission D1 is similar to manual transmission gears 1 and 2; automatic transmission D2 is similar to manual transmission gears 3 and 4; automatic transmission D3 is similar to manual transmission gears 5 and 6. Automatic transmission D1 has the largest gear ratio and the strongest torque output, suitable for climbing steep slopes or towing other vehicles; automatic transmission D2 has a reduced gear ratio and torque output, also suitable for climbing or towing; automatic transmission D3 has moderate torque and power output capabilities. Directly engaging it while driving can downshift to obtain greater torque output for overtaking, with no noticeable jerking, and the throttle response will be quicker. The function of the gear limit in a car is that using the gear limit can lock the vehicle in a fixed forward gear without upshifting or downshifting, and the transmission will not shift to a higher gear.
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