What does ECO mean in an automatic transmission car?

2 Answers
VanJaxon
07/24/25 7:27am
ECO in an automatic transmission car refers to the economic driving mode. ECO is an English abbreviation derived from Ecology (environmental protection), Conservation (energy saving), and Optimization (power). The Eco mode is further divided into active Eco driving mode and non-active Eco driving mode. When the ECO indicator light on the dashboard illuminates, it indicates that the vehicle's economic mode has been activated. ECO mode is categorized into active and non-active types. The difference lies in the fact that the active type has its own dedicated button, allowing the driver to choose whether to activate it. When the driver presses the ECO mode switch, the dashboard indicator light immediately turns on, and the vehicle automatically begins adjusting settings such as throttle opening, transmission shift logic, and air conditioning output power. The non-active ECO mode does not have a dedicated button. When the dashboard ECO indicator light turns on, it serves merely as a reminder function. The ECO system automatically evaluates your driving behavior. If your current driving operation achieves the optimal fuel supply, the dashboard will simultaneously display the ECO indicator light. Most cars use the active ECO driving mode, which means they have their own switch button. Therefore, during daily driving, we can activate the ECO mode. However, it is unnecessary to enable the ECO mode when the speed exceeds 120 km/h, during idling, in N/P gear, or in manual mode, especially when climbing a hill. In such cases, activating the ECO mode would not demonstrate its economic fuel-saving characteristics and could even affect the vehicle's power performance. Additionally, the ECO mode typically becomes ineffective under the following circumstances: When the vehicle speed exceeds 120 km/h, the car prioritizes speed, causing the ECO mode to automatically deactivate. During idling or when in N/P gear or manual mode, the ECO mode may also become ineffective. When a high torque output is required, such as when climbing a hill, the engine control unit prioritizes ensuring sufficient power to drive the vehicle, and the ECO mode will not function in such situations.
Was this review help?
13
1
Share
DelIsla
08/11/25 3:09am
When I first started driving an automatic car, I noticed an ECO button on the dashboard and was quite curious about it. ECO stands for Economic Mode, literally meaning ecological economy. It makes the car more fuel-efficient by reducing engine power output and delaying gear shifts, resulting in slower acceleration, which is especially useful in city traffic jams. When ECO is on, the throttle response is a bit slower, and speed increases more gradually, reducing fuel consumption caused by frequent starts. It's not high-tech, but it helps me save a lot on fuel costs and reduces exhaust emissions in the long run. However, remember to turn off ECO when driving on mountain roads or overtaking, as it might make the car feel underpowered and less agile. I learned from a friend that it's not ideal to use ECO frequently on highways, as it can actually reduce efficiency. In short, it's a thoughtful feature in automatic cars that adjusts and optimizes fuel expenses based on driving conditions.
Was this review help?
5
0
Share
Expand All
More Forum Discussions

What does the driving license interview mean? What is the interview process?

An interview is similar to a mock test, which is to determine whether you have the ability to take the test before the actual exam. The interview is usually organized by the driving school. The interview process is very simple. The driver can go to the local vehicle management office, fill in personal information at the window, and take a photo. Beginners who have just obtained their driving license should pay attention to the following points: 1. Develop the habit of checking rearview mirrors: Many beginners do not have the experience of driving fast, and their driving skills are not up to standard, so they must control the speed when driving on the road. The premise of driving is to ensure personal safety. 2. Learn to step on the brake: When driving, the right foot should be placed on the brake pedal, which is a very important preparation state for braking. Developing this habit can greatly improve driving safety. 3. Practice driving at a slow speed: When practicing driving, for your own safety and the safety of others, do not be overconfident and drive too fast. You should slow down, because if there is an emergency, you will have time to deal with it.
2
2
Share

What Causes the Exhaust Pipe to Make a Popping Sound After Driving Through Water?

The reason for the exhaust pipe making a popping sound after driving through water is damage to the muffler and exhaust pipe, aging of the heat shield, or a cracked exhaust pipe, among others. Below is an introduction related to vehicle wading: Introduction: Vehicle wading, as the name suggests, refers to driving a vehicle through low-lying, waterlogged roads. This usually occurs during rainy weather, in low-lying areas where poor drainage leads to water accumulation on the road. Precautions: Before wading, observe the road conditions carefully; during wading, maintain steady power; after wading, check the electrical system. If a car stalls in water, the main reason is usually water entering the exhaust pipe, though in some cases, electrical damage may also occur. Once a car stalls in water, do not attempt to restart it, as this may cause water to enter the intake manifold and damage the valves, potentially leading to severe engine damage. Instead, the car should be towed to a 4S shop immediately for professional handling.
16
1
Share

What are the reasons for the electric starter motor not responding?

The reasons for the electric starter motor not responding include incorrect gear position, not pressing the brake pedal, or the steering wheel being locked. Below are relevant details about the battery: Lifespan: Generally, a car battery has a normal lifespan of about two years; Maintenance: With proper maintenance, it can be extended, and the best ones can last around four years. Signs of a car battery running out of power: The car is difficult to start after being parked for two days, and the car noticeably becomes heavier when driving with the air conditioning on. Notes on car batteries: Modern car batteries come with a protection function that reserves the minimum power required for starting. If you turn the key without igniting the engine and use accessories like the radio or lights, it can last for about an hour or so.
5
2
Share

What was the last year for China II vehicles?

China II vehicles were last produced in 2005. Here is the relevant information: 1. China II: The abbreviation for the National Phase II Emission Standard, equivalent to the Euro II emission standard, meaning the content of tailpipe pollutants is equivalent to Euro II levels. 2. Regulation: According to the "Announcement on Implementing the National Phase II Motor Vehicle Emission Standards" issued by the Environmental Protection Administration, starting from September 1, 2003, all newly designed heavy-duty vehicles must comply with the National Phase II Type Approval Emission Limits, equivalent to Euro 2 standards. The so-called China II standard refers to China's second phase of automotive emission standards.
15
2
Share

What is the penalty for driving an unlicensed motorcycle with a C1 license?

Driving an unlicensed motorcycle with a C1 license is subject to a fine of 20-200 yuan. Introduction: A driver's license, fully known as a motor vehicle driver's license, is a certificate required by law for motor vehicle drivers. It is a legal document issued by the administrative authorities to individuals who have learned to drive motor vehicles, mastered traffic regulations and driving skills, and passed the relevant tests, permitting them to drive certain types of motor vehicles. Legal Provisions: According to the "Regulations on the Application and Use of Motor Vehicle Driver's Licenses," applicants for a motor vehicle driver's license must meet the specified requirements. Article 7 states that the content recorded and noted on a motor vehicle driver's license includes the driver's information: name, gender, date of birth, nationality, address, ID number, and photograph.
4
1
Share

Are the questions in Subject 1 exam fixed?

Subject 1 exam questions are not fixed. The total duration of the Subject 1 exam is 45 minutes. The test paper consists of 100 questions, including true/false questions and multiple-choice questions, with a full score of 100 points. The test paper is randomly selected and combined by the computer driver examination system according to the proportion specified in the "Motor Vehicle Driver's License Work Regulations". Since July 2015, the Ministry of Public Security has updated the Subject 1 question bank to 1229 questions, while the question bank for large vehicles remains unchanged. Subject 1 exam content (outline): Road traffic safety laws, regulations, and rules: Road Traffic Safety Law of the People's Republic of China and its implementation regulations, Criminal Law, Procedures for Handling Road Traffic Safety Violations, Procedures for Handling Road Traffic Accidents, Regulations on the Application and Use of Motor Vehicle Driver's Licenses, Regulations on Motor Vehicle Registration. Local regulations: Key content is selected based on local regulations. Traffic signals: Road traffic lights, road traffic signs, road traffic markings, traffic police hand signals. Basic knowledge of safe driving and civilized driving: Driving behavior, traffic safety violations. Basic knowledge related to motor vehicle driving operations: Instruments and indicators, control devices, safety devices.
9
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.