Which is Faster for Starting, D Gear or L Gear?

1 Answers
Aliyah
07/29/25 8:41pm
Whether D gear or L gear is faster for starting depends on different situations. D gear is the forward gear, suitable for urban areas and general road conditions. L gear is the low-speed gear, used when climbing slopes where D gear cannot handle, and generally L gear is divided into 1, 2, and 3 gears, which can be selected according to road conditions. The introduction of automatic transmission gears is as follows: 1. P—Parking gear: When parking and not in use, the gear is in this position, and the wheels are mechanically locked to prevent rolling. 2. R—Reverse gear: Used for reversing. 3. N—Neutral gear: Used for temporary parking. Note that this gear indicates neutral, and to prevent the vehicle from rolling on a slope, the brake must be pressed. 4. D—Forward gear, also known as the drive gear: Used for moving forward. 5. 2—Low-speed gear: Used for starting on very steep slopes or when launching on a relatively inclined slope. 6. L—Low gear: When going downhill or descending a long slope, placing the gear here limits the car's gear to automatically stay in the lowest gear, allowing the car to use engine power for braking when going downhill, preventing the driver from having to press the brake for a long time, which could cause the brake pads to overheat and become dangerous.
Was this review help?
5
0
Share
More Forum Discussions

Can You Still Drive After Losing All 12 Points on Your License?

If all 12 points on your driver's license are deducted, you cannot continue driving. You must complete theoretical study and pass the test to regain your license. The specific process for retrieving a license after losing all 12 points is as follows: Registration: After a driver loses all 12 points, their license will be confiscated, and the traffic police department that deducted the points will issue an "Admission Notice." The driver must take this notice to the designated school to register and attend classes. Study: The study period lasts 7 days, with classes held every morning. The curriculum includes topics such as traffic violation scoring and penalties, driver psychology and traffic safety, and road traffic safety laws and regulations. Upon completing all courses, the school will issue a "Training Completion Certificate." Exam: After completing the study program, the vehicle management office must conduct a test on road traffic safety laws, regulations, and related knowledge within 20 days. If the driver passes the exam, the points will be cleared, and their driver's license will be returned.
14
0
Share

How many kilometers should the timing belt be replaced?

The timing belt should be replaced after driving 60,000 to 80,000 kilometers. The timing belt is a consumable item, and once it breaks, the camshaft will not operate according to the timing, which may cause the valves to collide with the pistons, resulting in severe damage. Therefore, the timing belt must be replaced according to the mileage or time specified by the manufacturer. More related information is as follows: 1. The timing belt is an important part of the engine's valve system. It connects with the crankshaft and ensures the accuracy of intake and exhaust timing through a certain transmission ratio. The timing belt plays a connecting role: the upper part connects to the timing wheel of the engine cylinder head, and the lower part connects to the crankshaft timing wheel. The timing wheel is connected to the camshaft, which has cams that contact small rocker arms. The rocker arms generate pressure through the power transmitted by the timing belt, playing a lifting role. 2. The lifting of the intake valve allows atomized gasoline to enter the cylinder, while the lifting of the exhaust valve allows exhaust gases to exit the cylinder. When the recessed part of the camshaft simultaneously contacts the small rocker arms, both the intake and exhaust valves close, the compression ratio is generated, the distributor ignites, and internal combustion begins, producing power.
2
2
Share

What Causes the Squeaking Sound When Braking Slowly?

It is normal to hear a squeaking sound when lightly applying the brakes at low speeds. The reasons are as follows: 1. One cause of brake noise is excessive clearance in the brake pads. 2. Another reason is uneven hardness of the brake disc, leading to an uneven surface on the brake pads. 3. The slower and lighter the brake is released, the more noticeable this sound becomes. When the brake pedal is released, and the power and braking force are at a critical point, the friction between the brake pads and the brake disc produces noise. Below is some additional information about brakes: 1. Brakes generally consist of steel plates, bonded heat insulation layers, and friction blocks. They work by pressing the brake pads against the brake disc to create friction, thereby slowing or stopping the vehicle. 2. Due to friction, the friction blocks gradually wear out, so regular inspection and replacement of brake pads are necessary. 3. If the car makes a squeaking sound when braking slowly, this is normal because the brake pads and brake disc have not fully engaged to achieve tight contact and maximum friction, resulting in noise. 4. If the noise occurs during normal braking, timely repair is required.
16
5
Share

What Gear Should Be Used for Uphill Driving?

There is no definitive answer to what gear should be used when driving uphill, as it generally depends on the steepness of the slope, the vehicle's performance, and the speed during the climb. It cannot be simply stated which gear should be used. For manual transmission vehicles when driving uphill: 1. When driving uphill, it depends on the climbing power of the vehicle. Each car has its own climbing capability. For a gentle slope, if fourth gear provides enough power, use fourth gear to climb. 2. For a moderate slope, if third gear provides enough power, use third gear to climb. If third gear is insufficient, shift to second gear (this can be done either at the base or on the slope, but proper coordination between the clutch and accelerator is essential). 3. For a steep slope, try to use second gear if it provides enough power. If second gear is insufficient, shift to first gear (again, this can be done at the base or on the slope, but accurate judgment of the slope in advance and proper coordination between the clutch and accelerator are crucial). This approach ensures an economical, fuel-efficient, and safe driving technique.
16
1
Share

What Insurance is Required for Vehicle Inspection?

For vehicle inspection, you need to provide a copy of the compulsory liability insurance policy or an electronic version of the compulsory insurance certificate, the owner's ID card, and the vehicle license. Then, go to the vehicle management office's window specifically responsible for annual inspections to apply for the annual inspection sticker. Below is relevant information about vehicle inspection: On-site Inspection: Starting from September 1, 2014, the state implemented new regulations, allowing vehicles that meet the specified conditions to enjoy a 6-year exemption from on-site annual inspections. This applies to non-operational passenger vehicles registered after September 1, 2010 (operational vehicles require annual inspections once a year). Within the first 6 years, you only need to collect the annual inspection sticker every two years without undergoing on-site inspection. For non-operational vehicles older than 6 years, an annual on-site inspection is required, covering items such as exhaust emissions, exterior appearance, and external lighting. Materials Required for Annual Inspection: For personal vehicle annual inspections, the required documents and items include the original vehicle license, a copy of the compulsory insurance policy, a copy of the owner's ID card, the vehicle must be present, a triangular warning sign, and a fire extinguisher.
12
5
Share

Which One is the Car Defroster Switch?

The car defroster switch is located in the middle of the center console, usually next to the AC button. Here are some details about the car defroster: 1. Appearance: The car defroster switch is marked with a front windshield and three upward-curving lines. A semicircular icon represents the front windshield, while a square icon represents the rear window. 2. Purpose: The car defroster switch controls the defroster, which is used to reduce moisture, fog, and frost on the front and rear windshields and the exterior rearview mirrors, improving visibility. 3. Physical Principle: The principle of cold-air defrosting involves the liquid refrigerant absorbing heat from the cooled object in the evaporator, vaporizing into low-temperature, low-pressure steam, which is then sucked into the compressor and compressed into high-temperature, high-pressure steam before being discharged into the condenser. The principle of hot-air defrosting involves fog-laden gas flowing through the defroster at a certain speed. Due to the gas's inertia, the droplets formed by the collision of fog and the wave plates become large enough that the gravity of the droplets exceeds the combined force of the gas lift and the surface tension of the liquid, causing the droplets to separate from the wave plate surface.
15
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.