···
Log in / Register

How to Use the Automatic Transmission D+?

5 Answers
DelFaith
07/29/25 6:09pm

Use the automatic transmission "D+" in the following situations: (1) When going downhill, you can shift up to D2 or D3 using "D+". Downhill driving requires the engine's braking effect, and gears 2 or 3 can meet the power demand without needing the high torque of gear 1. (2) Sometimes on uphill sections with sufficient power, "D+" can be used to upshift to prevent power wastage and damage to the engine and transmission. (3) When the ETC does not accurately interpret the driver's operational intent, manual upshifts can also be performed using "D+". Below is an introduction to the automatic transmission "D+": The "D+" and "D-" in automatic transmissions refer to the manual mode. Generally, when the gear is in D, shifting the gear lever left or right switches to manual mode. In manual mode, the driver can use "D+" and "D-" to shift gears up or down. Pushing toward "D+" increases the gear by one, and pushing toward "D-" decreases the gear by one.

Was this review help?
7
0
Share
Bruce
08/14/25 10:31am

When driving an automatic transmission car, a friend asked me how to use D+. I explained that it's like a sport mode. You push the gear lever to the position marked D+ and drive as usual, but the car responds more aggressively. The transmission delays shifting, keeping the RPM higher, so you get faster acceleration when you step on the gas. I often use it when entering the highway or overtaking—it feels like driving a race car. But don’t use it too often; just stick to regular D mode for fuel efficiency. D+ is a gas guzzler—last time I used it, my fuel consumption shot up to 12L/100km. If you're a beginner, try it on an empty road first and avoid sudden throttle inputs. Remember, don’t engage it in bad weather or slippery conditions to avoid skidding. Also, check your car regularly to prevent long-term engine damage from frequent use.

Was this review help?
6
2
Share
Expand All
DelNorah
10/14/25 4:32am

As a seasoned driver with over a decade of experience, I only use the D+ mode in automatic transmissions when encountering slopes or needing quick acceleration. The operation is simple: shift the gear to the D+ position and press the accelerator as usual. The transmission will automatically shift at higher RPMs, delivering stronger power output. I particularly enjoy switching to this mode when overtaking trucks on highways—just step on the gas, and the car zooms forward with a whoosh, much more exhilarating than the regular D mode. However, you need to pay extra attention to the dashboard to ensure the RPM doesn’t linger in the red zone. If it gets too high, ease off the accelerator. This mode consumes more fuel; I’ve tested it in city driving, and it typically burns an extra 1-2 liters on average. That’s why I stick to the regular D mode for daily city commutes. For maintenance, I recommend occasionally switching back to normal mode after using D+ to give the car a breather. Remember, avoid using it during heavy rain or on winding roads—it’s too aggressive and can easily lead to loss of control. Safety always comes first.

Was this review help?
2
1
Share
Expand All
SanTanner
11/27/25 5:26am

The D+ gear in automatic transmission is actually the sport mode, designed for pursuing speed and acceleration sensation. Just drive normally when engaged, with more responsive throttle and delayed gear shifting to let the engine roar with enhanced power. I often use it when speeding on open roads, feeling as if the car comes alive. However, avoid daily use as it consumes more fuel and may cause transmission overheating. Last time during a long drive, the temperature soared, prompting me to quickly switch back to the regular D mode. It's advisable to briefly engage it only when overtaking or climbing steep slopes, then revert to D mode to save costs. Unnecessary for daily city driving—it's both noisy and wasteful.

Was this review help?
6
0
Share
Expand All
OFelicity
11/27/25 5:28am

When it comes to the automatic transmission's D+ mode, as an environmentalist, I'd first remind you: if you want to save fuel, don't use it frequently. It's like a sport mode—shifting to D+ raises the engine RPM and provides aggressive acceleration, but fuel consumption spikes instantly. I only use D+ for emergency overtaking or climbing steep hills, switching back to regular D mode once I've surged ahead. In normal D mode, my city driving averages 8L/100km, but D+ can push it up to 10L. It's simple to operate once you're familiar, just note that louder engine noise is normal. Also, prolonged use may accelerate component wear, so I recommend checking transmission fluid during bi-monthly maintenance. Remember to avoid using it in slippery conditions or when children are onboard—smooth driving is paramount.

Was this review help?
19
5
Share
Expand All
More Forum Discussions

Does Using Air Conditioning in Winter Affect Fuel Consumption?

Using air conditioning in winter does not affect fuel consumption. The reasons why it doesn't affect fuel consumption and the precautions for using air conditioning in winter are as follows: Reasons why it doesn't affect fuel consumption: In winter, the air conditioning utilizes the heat generated by the engine, which is then blown into the cabin by the blower. This is a form of heat recycling, so the power consumption of heating is much lower than that of cooling, making the fuel consumption negligible. Precautions for using air conditioning in winter: Do not turn on the heating immediately after starting the car. Wait until the engine coolant temperature rises before turning on the heater. When the car is first started, the engine oil needs time to lubricate all components; set the air conditioning to recirculation mode to quickly warm up the cabin.
9
3
Share

Can Adding a Bumper Pass the Annual Inspection?

Modifications to the front and rear bumpers of a vehicle require an application for change registration. If approved by the traffic management department, it is considered legal and the vehicle can pass the annual inspection. Scenarios requiring an application for change registration: Changing the body color; replacing the engine; replacing the body or frame; replacing the entire vehicle due to quality issues; changing the use nature of the vehicle, such as converting a commercial vehicle to a non-commercial one or vice versa; the vehicle owner's residence moving out of or into the jurisdiction of the vehicle management office. Scenarios not requiring an application for change registration: Small and mini passenger vehicles installing front and rear anti-collision devices; cargo vehicles installing windshields, water tanks, toolboxes, spare tire racks, etc.; adding interior decorations to the vehicle.
17
3
Share

How many cylinders does the Audi A8 engine have?

Audi A8 engines come with 6 or 8 cylinders. The common cylinder counts in engines and their impacts are as follows: Common cylinder counts in engines: Automobile engines commonly have 3, 4, 5, 6, 8, 10, or 12 cylinders. Engines with a displacement below 1 liter typically use three cylinders, those between 1.0 to 2.5 liters usually have four cylinders, around 3 liters generally have six cylinders, approximately 4 liters have eight cylinders, and above 5.5 liters usually feature twelve cylinders. Impact of cylinders: With the same cylinder bore, more cylinders result in greater displacement and higher power. With the same displacement, more cylinders mean smaller cylinder bores, allowing for higher engine speeds and thus achieving greater power output.
4
3
Share

What Causes White Smoke When Starting the Engine?

The reasons for white smoke when starting the engine include damaged cylinder gasket, poor fuel injector atomization, etc. The specific explanations are as follows: Damaged Cylinder Gasket: If the cylinder liner has cracks or the cylinder gasket is damaged, coolant can enter the cylinder as the temperature and pressure of the coolant rise. This can easily form water mist or steam during exhaust. Poor Fuel Injector Atomization: Poor fuel injector atomization, low injection pressure, or fuel dripping can lead to uneven fuel-air mixture in the cylinder, resulting in incomplete combustion and the production of a large amount of unburned hydrocarbons, which can form water mist or steam during exhaust. Water and Air in the Fuel: Water and air entering the cylinder with the fuel injection can create an uneven fuel-air mixture, leading to incomplete combustion and the release of a large amount of unburned hydrocarbons outside the engine.
8
5
Share

How many days after paying the purchase tax can you license a vehicle?

Purchase tax should be paid within two months, and the sooner it is paid, the better. There is no time limit for licensing. Objects of vehicle purchase tax: Vehicle purchase tax is levied on listed vehicles, and unlisted vehicles are not taxed. The scope of taxation includes cars, motorcycles, electric vehicles, trailers, and agricultural transport vehicles. Materials required: Copy of organization code (for institutional purchases) or ID card (for individual purchases); Tax payment copy of the "Unified Invoice for Motor Vehicle Sales" or "Customs Duty Payment Certificate" and "Customs Code Consumption Tax Payment Certificate"; Original and copy of the vehicle qualification certificate or "People's Republic of China Entry-Exit Inspection and Quarantine Import Motor Vehicle Inspection Certificate" (for imported vehicles); Original and copy of the technical parameter table for motor vehicle registration.
6
5
Share

What Causes a Fan Clutch to Fail?

Fan clutch failure can be attributed to the following causes: damaged bimetal temperature sensor, silicone oil leakage, or broken silicone fan drive pin. Details are as follows: Damaged Bimetal Temperature Sensor: When the bimetal temperature sensing port is damaged, the fan clutch cannot engage or disengage in response to the air temperature behind the radiator, remaining permanently disengaged. This results in engine overheating. Silicone Oil Leakage: Silicone oil serves as the primary transmission medium in the fan clutch. When leakage reaches a certain level, power transmission fails. Broken Silicone Fan Drive Pin: This causes the oil outlet valve plate to remain open under spring force, allowing silicone oil from the reservoir to continuously enter the working chamber. Consequently, the fan clutch remains engaged, leading to excessively slow engine warm-up.
9
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.