Which Gear is the Forward Drive Gear?

1 Answers
DiCharlotte
07/28/25 6:18pm
In automatic transmission vehicles, the forward drive gear is the D gear, while the reverse gear is the R gear. For manual transmission vehicles, any gear marked with a number is a forward drive gear, and the reverse gear is also the R gear. The forward drive gear is the most commonly used gear. In automatic transmission vehicles, shifting up or down can be accomplished by controlling the accelerator. The reverse gear can only be engaged when the vehicle is stationary, and models with a lock button require pressing the button to switch. Below is relevant information about the forward drive gear and reverse gear: 1. The D gear typically appears in automatic transmission vehicles. It is an abbreviation for "Drive," meaning to move forward. The + and - symbols next to the D gear indicate manual mode. After shifting into D gear, moving the gear lever to the left will enter manual mode. In manual mode, gears need to be changed manually, with the + symbol for upshifting and the - symbol for downshifting. Additionally, automatic transmission vehicles have P, R, and N gears. Among these, the P gear is the parking gear, used for long-term parking; the R gear is the reverse gear; and the N gear is the neutral gear, used for temporary stops, such as at traffic lights. 2. The reverse gear is marked with the letter R and is generally located between the P gear (parking gear) and the N gear (neutral gear). Its purpose is to allow the vehicle to move backward, making it a special driving gear. Whether in manual or automatic transmission vehicles, it is essential to wait until the car has completely stopped before engaging the reverse gear. Otherwise, it will cause some degree of wear on the transmission gears, and prolonged misuse can lead to direct damage, resulting in high repair costs. Additionally, when shifting into reverse gear, it is best to avoid any backward sliding. While brief sliding may not cause significant issues, excessive sliding distance or speed can easily damage internal components of the transmission.
Was this review help?
17
0
Share
More Forum Discussions

Is It Normal to Hear a Sloshing Sound in the Fuel Tank?

Hearing a sloshing sound in the fuel tank is a normal phenomenon, but it depends on the vehicle model. The sloshing sound occurs because the fuel tank was designed without baffles inside. Normally, fuel tanks are equipped with baffles to prevent fuel from sloshing during driving. Here are the details: Causes: The noise is generated when fuel sloshes inside the tank and collides with the tank shell or other internal components, causing vibrations. Noise can also be heard during braking due to the inertia of the fuel hitting the tank. Solutions: The first method is to reduce the noise source by adding baffles inside the fuel tank. However, this may waste tank volume and reduce fuel capacity, so it is generally recommended only for tanks with sufficient space. The second method is to optimize the transmission path by improving the fuel tank's vibration-damping pads to reduce tank vibrations. Since the tank surface is made of steel, compressing rubber pads can help dampen vibrations and lower noise. It is recommended that automakers pay more attention to fuel tank structure in future product development.
4
3
Share

What are the regulatory requirements for fire truck turning areas?

Fire truck turning areas have the following design requirements: The width of fire lanes should not be less than 4m. The turning radius should not be less than 9~10m, and not less than 12m for heavy fire trucks. When passing through building entrances, the clear height should not be less than 4m, and the operating slope for fire trucks should not exceed 3%. High-rise buildings should be surrounded by circular fire lanes. When circular fire lanes are difficult to implement, fire lanes can be set along both long sides of the high-rise building. Fire lanes should be at least 5m away from high-rise building exteriors, and there should be no obstacles within 4m above the fire lanes. In residential areas, the length of cul-de-sac roads should not exceed 120m, and a fire truck turning area of no less than 12m*12m should be provided. (Considering traffic convenience and landscape effects, turning areas are generally required when cul-de-sac roads exceed 35m). Cul-de-sac fire lanes should have turning lanes or turning areas. For multi-building complexes, the turning area should not be less than 12m*12m, while for high-rise buildings, it should preferably not be less than 15m*15m. Circular fire lanes should have at least two connections with other lanes. Cul-de-sac fire lanes should have turning lanes or turning areas, with the turning area not less than 12m×12m; for high-rise buildings, preferably not less than 15m×15m; for heavy fire trucks, preferably not less than 18m×18m. Turning areas for large fire trucks should preferably not be less than 18m*18m. Note for "L" shaped, "T" shaped, and "O" shaped configurations.
19
3
Share

Where to Obtain the Environmental Label for a New Car?

The environmental label for a new car can be obtained at the Environmental Protection Bureau. Below is detailed information about the environmental label for cars: Overview: The vehicle environmental label is a classification mark issued by the state for motor vehicle emission standards, divided into two main categories: yellow and green. Relevant authorities review based on vehicle type and emission standards, and issue the environmental label upon approval. The purpose of the environmental label is to facilitate energy-saving and emission-reduction inspections and regular environmental checks for vehicles. Issuance Principles: Gasoline Vehicles: Vehicles that meet the National Phase I Emission Standards for motor vehicles are issued a green environmental label. In-use vehicles that do not meet the National Phase I Emission Standards or higher are issued a yellow environmental label. Diesel Vehicles: Vehicles that meet the National Phase III Emission Standards for motor vehicles are issued a green environmental label. In-use vehicles that do not meet the National Phase III Emission Standards or higher are issued a yellow environmental label.
14
1
Share

Does Compulsory Traffic Insurance Cover Water-Damaged Cars?

Compulsory traffic insurance does not cover water damage to your car because it is designed to compensate for damage to third-party vehicles and individuals. To claim for vehicle damage, you must have purchased vehicle damage insurance. Compulsory traffic insurance is mandatory by law, and without it, you cannot legally drive on the road. According to Article 90 of the Road Traffic Safety Law, traffic management authorities may impound the vehicle, require the owner to provide proper documentation or complete necessary procedures, and may issue a warning or impose a fine ranging from 20 to 200 yuan. Compulsory Traffic Insurance for Vehicles: Compulsory traffic insurance, officially known as 'Compulsory Liability Insurance for Motor Vehicle Traffic Accidents,' is a mandatory insurance where the insurer compensates victims (excluding the vehicle occupants and the insured) for bodily injury, death, or property damage within the liability limits in the event of a traffic accident. The premium is based on a nationally standardized rate. However, premiums vary depending on the vehicle type, primarily influenced by the number of seats. Compared to commercial third-party liability insurance, which has over 20 exemption clauses, compulsory traffic insurance covers a broader range, excluding losses caused intentionally by the victim, damage to the insured's own property, arbitration and litigation costs, and certain indirect losses. Additionally, compulsory traffic insurance provides compensation within the liability limits regardless of fault in the accident. Introduction to Electronic Insurance Policies An electronic insurance policy is a digital document issued by an insurer using digital signature software compliant with the PKI system and a corporate digital certificate, bearing the insurer's electronic signature. An insurance policy, or simply a policy, is the official written proof of the insurance contract between the insurer and the insured. It fully records the rights, obligations, and responsibilities of both parties and serves as the basis for fulfilling the contract. The policy is evidence of the insurance contract's validity. Advantages of Electronic Insurance Policies: Saves paper resources by eliminating the need for printed proof of insurance; Offers convenience and time savings, allowing access to information online anytime, anywhere; Allows for reissuance or resending if lost, with the option to print or mail a physical copy if needed; Simplifies management for insurers and traffic authorities by centralizing vehicle insurance information electronically.
20
0
Share

How Soon Can You Take the Subject 4 Test After Passing Subject 3?

There are three scenarios for the Subject 4 test timing after passing Subject 3: taking it directly in the afternoon of the same day; no appointment required within 9 days—you can take the Subject 4 test at the designated location with your ID within 9 days of passing Subject 3; or scheduling after 10 days, where success depends on current test-taker numbers, student priority, and temporary test center arrangements. Subject 4, also known as the theoretical driving test or driver's theory test, is part of the motor vehicle driver's license assessment. It covers safe and civilized driving operation requirements, safe driving knowledge under adverse weather and complex road conditions, emergency handling methods for situations like tire blowouts, and post-traffic-accident procedures. Subject 4 Test Notes: Test Duration: The test lasts 45 minutes, and answering 5 questions incorrectly (10 points) will terminate the session. Question Count: 50 questions are randomly selected from the Subject 4 question bank based on the type of license being tested, with each question worth 2 points. Question Types: The test includes single-choice questions (including true/false questions) and multiple-choice questions, featuring animation-based, image-based, scenario-recognition, and text-based questions. Retake Notes: Failing Subject 4 only requires retaking Subject 4, scheduled by the driving school without retake limits or fees. Subject 4 Test Tips: Strengthen weak areas by identifying error causes. For marked questions, avoid memorizing answers—review regulations, textbooks, or references to understand mistakes. Categorize and summarize questions, referring to the question bank's analysis to identify similar questions. For example, traffic signs like "Pedestrian," "Walking," "Pedestrian Crossing," and "Caution: Pedestrian Crossing" are easily confused—group them for clarity. Use memorization techniques: Many questions involve numbers—organize them for easier recall. There are three main driving test subjects: Subject 1, Subject 2, and Subject 3 (which has two parts). Subject 4 is the colloquial term for the "Safety and Civilized Driving Knowledge Test" under Subject 3, not a separate subject. Subject 1 covers traffic laws and regulations; Subject 2 assesses field driving skills; Subject 3 evaluates road driving skills and safety knowledge, with the latter taken after Subject 3.
6
0
Share

Do Small Cars Need to Warm Up in Winter?

Winter car warm-up is necessary; after the car has been parked for a long time, the engine oil flows back into the oil pan at the bottom of the engine. Reasons for warming up the car in winter: Lack of lubrication: After the car has been parked for a long time, the engine oil inside the engine flows back into the oil pan at the bottom. Therefore, when starting the engine after a long period of inactivity (such as overnight), the upper part of the engine is in a state without oil and lacks lubrication. It takes about 30 seconds after starting for the oil pump to circulate the oil to the parts of the engine that need lubrication the most, such as the pistons, connecting rods, and crankshaft. When driving immediately after starting the engine, as long as you don’t press the accelerator pedal hard for rapid acceleration and maintain low-speed operation, the effect is the same as idling. Low fuel supply temperature: Before the engine reaches its operating temperature (approximately between 90-110 degrees Celsius), the fuel supply system cannot effectively vaporize the gasoline completely due to the low temperature. When the gasoline is not vaporized and remains in a wet, liquid state, it is difficult to burn and start the engine. At this time, the choke valve comes into play, restricting some air from entering the cylinder to increase the gasoline/air mixture ratio and raising the engine speed to prevent stalling.
14
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.