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What does D+ mean in an automatic transmission?

2 Answers

WyattRose

07/24/25 7:48am

D+- in an automatic transmission refers to the manual mode of the automatic gearbox. While retaining the automatic gear-shifting function, it also simulates manual gear-shifting, allowing more car models to break free from the constraints of traditional automatic transmissions and giving drivers the freedom and enjoyment of manual gear-shifting. Here are specific details about D+ in automatic transmissions: When driving downhill, you can shift up to D2 or D3 using "D+": Downhill driving requires the engine's braking effect. Gears 2/3 provide sufficient power without requiring high torque. Sometimes, when climbing uphill with ample power, you may also need to shift up using "D+" to prevent power wastage and damage to the engine and transmission. In manual mode, drivers can shift gears by operating "D+" and "D-": Pushing the gear lever toward "D+" shifts up one gear, while pushing it toward "D-" shifts down one gear.

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AlyssaLynn

08/11/25 3:30am

In my years of driving experience, the D+ gear on automatic transmissions is an incredibly practical feature, especially when extra power is needed. Whether climbing steep hills or attempting quick overtakes, shifting into D+ mode makes the car feel like it's been given a boost—acceleration becomes quicker, and the engine sound grows more spirited. Essentially, it's manual control of higher gears, allowing you to rev the engine higher for increased torque output. I frequently use it on long trips, making overtaking large trucks on highways much easier. However, a word of caution: avoid prolonged use to prevent a spike in fuel consumption, and only engage it under safe road conditions, steering clear of rainy or snowy weather. For everyday driving, stick to the standard D gear for fuel efficiency and smoothness. This design significantly aids daily driving and proves invaluable when it matters most. I recommend new car owners familiarize themselves with its operation.

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