Which gear should be used for automatic transmission driving?

[VonAshley]

For automatic transmission driving, use the D (Drive) gear. The D gear is the forward driving gear, where acceleration and gear shifting follow preset programming, making it relatively more fuel-efficient. The D gear is the primary gear used for forward motion in vehicles. Most automatic transmission cars have the D gear designed with a sequence from 1st gear to higher gears (some from 2nd gear to higher gears). When driving, simply place the gear selector lever in the D position, and the vehicle's speed will be controlled by the accelerator pedal. When the gearshift lever is in this position, the transmission automatically shifts up or down within the engine's RPM range. The shift points depend on engine load, the driver's driving style, and vehicle speed. Note: Avoid engaging higher gears at low engine RPM or lower gears at high RPM to prevent damage to engine components during the break-in period.

[AliyahFitz]

I've been driving for over twenty years, and when it comes to automatic transmissions, I mainly use the D (Drive) gear. This gear is the forward drive mode, where the transmission automatically shifts based on speed and throttle input, making it simple and worry-free. During highway cruising, the D gear maintains smooth driving with low fuel consumption; it's also sufficient for city traffic, offering responsive performance to avoid jerks. When encountering steep slopes or downhill roads, I switch to L (Low) gear or manual mode's lower gears to utilize engine braking for deceleration, protecting the brakes from overheating and loss of control. At red lights, keeping the car in D gear while holding the brake avoids shifting to N (Neutral), reducing the risk of accidental starts; use R (Reverse) for backing up, and always engage P (Park) plus the handbrake when parking to ensure the vehicle is secured. Some models also feature an S (Sport) mode for thrilling acceleration, but it's unnecessary for daily driving. In summary, the D gear is the golden choice for automatic transmissions, suitable for all road conditions. Developing good driving habits can extend the transmission's lifespan and avoid repair costs.

[LeEloise]

As a daily commuter, the D (Drive) gear is my go-to choice in an automatic transmission. It makes the commute smooth and effortless, especially in congested traffic where D gear's automatic shifting saves both effort and fuel – far superior to manual transmissions. I occasionally use S (Sport) mode for quicker acceleration when overtaking on expressways, which delivers more aggressive response, though D gear suffices for daily driving. At traffic lights, avoid shifting to N (Neutral); stay in D and hold the brake to prevent rolling. Use N gear only during car washes or prolonged stops, but stick to D while driving. Maintaining proper tire pressure with a tire pressure monitoring system further enhances D gear’s fuel efficiency, potentially lowering average consumption by 10%. Always double-check the gear before starting to avoid accidentally engaging R (Reverse) or P (Park), as misoperation risks accidents and vehicle damage.

[McCalvin]

As a beginner driving an automatic transmission car, I mainly use the D (Drive) gear. The process is simple: after starting the engine, press the brake pedal to shift from P (Park) to D, then release the brake and press the accelerator to move forward. R (Reverse) is exclusively for backing up, while P should only be used when parking to secure the vehicle. Normally, just keep it in D gear - the transmission will handle gear changes automatically. My instructor reminded me to always confirm the car is in D when starting on slopes to prevent rolling, and never shift gears while moving. Some cars offer special modes for heavy rain or snow, but as a novice, sticking to D gear is safer and simpler. Take time to gradually get familiar with the car's characteristics - no need to rush.