Is It Necessary to Press the Accelerator for Idle Charging?

1 Answers
SanWalker
07/29/25 4:35pm
It is not necessary to press the accelerator for idle charging. However, to improve charging efficiency, it is recommended to press the accelerator during idle charging, as this can speed up the charging process. Theoretically, as long as the car engine is running, the vehicle starts charging. This is because the car relies on the alternator for charging, and the alternator's power source comes from the engine. More details are as follows: 1. Once the car is started, the engine begins to operate. The engine transmits power to the alternator via a belt, thus initiating the charging of the battery. The faster the engine speed, the higher the charging efficiency of the alternator. If the engine is idling, the alternator's speed is slower, resulting in limited power output. 2. Therefore, the charging efficiency is very low when the car is idling. Combined with the power consumption of onboard electrical devices, it almost equals no charging at all. Pressing the accelerator increases the engine speed, thereby enhancing the alternator's charging efficiency. 3. After turning off the engine, it is crucial to shut down all electrical devices in the car. Otherwise, it can easily lead to battery drain, making it difficult to start the car. 4. Some careless car owners habitually turn off the engine without switching off the headlights after parking at night. Leaving the headlights on overnight can quickly drain the car battery.
Was this review help?
15
1
Share
More Forum Discussions

How Many Questions Can You Get Wrong in Subject 4?

According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses," the passing score for the Subject 4 road driving skills and safe civilized driving knowledge test is 90 points. Each incorrect answer deducts 2 points, meaning you can only get 5 questions wrong; any more will result in failure. The maximum score is 100. Questions 1-10 are true/false; 11-40 are single-choice; and 41-50 are multiple-choice. The test includes image analysis, animated case studies, and text-based questions. The scope of Subject 4 covers driving knowledge under adverse weather and complex road conditions; identification of common traffic signs, markings, and hand signals; accident rescue and hazardous material handling; comprehensive judgment of violations and case analysis; emergency avoidance knowledge; safe driving principles; and driving ethics and civilized driving knowledge. According to the "Regulations on the Application and Use of Motor Vehicle Driving Licenses," there is no limit to the number of attempts for Subjects 1 and 4. If you fail the first attempt on the same day, you can retake it immediately. If you fail again, you need to reschedule, but no additional fees are required for retakes. Note that the driving skills test permit is valid for three years. If the applicant fails to complete the test within this period, previously passed subjects will be invalidated. Subject 4, also known as the theoretical driving test or driver's theory test, is part of the motor vehicle driving license assessment. After the implementation of the Ministry of Public Security's Order No. 123, Subject 3 was divided into two parts: the road test and the safe civilized driving knowledge test, commonly referred to as "Subject 4," which evaluates "driving ethics." Subject 4 is the colloquial term for the safe civilized driving knowledge test under Subject 3, not a separate subject. Since this test follows Subject 3, it is commonly called Subject 4. Officially, there is no Subject 4. The safe civilized driving knowledge test is conducted after Subject 3. Subject 4 Exam Guidelines: Exam Duration: 45 minutes. Number of Questions: 50 questions are randomly selected from the Subject 4 question bank based on the type of license being tested. Question Types: Single-choice (including true/false) and multiple-choice questions, with formats such as animations, images, scenario recognition, and text-based questions. The driving test consists of three subjects: Subject 1, Subject 2, and Subject 3, with Subject 3 further divided into two parts. Subject 1 covers traffic laws, regulations, and related knowledge; Subject 2 focuses on field driving skills; and Subject 3 includes road driving skills and safe civilized driving knowledge. Subject 4 refers specifically to the safe civilized driving knowledge component.
16
5
Share

What are the effects of not performing wheel balancing after tire repair?

Not performing wheel balancing after tire repair does not affect safety, but it will impact ride comfort during high-speed driving. Tires should undergo regular wheel balancing checks using a wheel balancer. There are two types of tire balancing: dynamic balancing and static balancing: 1. Dynamic imbalance can cause wheel wobbling, leading to wave-like wear on the tire. 2. Static imbalance can result in bumpiness and bouncing, often causing flat spots on the tire. Extended content: Regular balancing checks not only extend tire lifespan but also improve driving stability, preventing accidents caused by loss of control due to tire wobbling or bouncing during high-speed driving.
5
3
Share

The Difference Between Lynk & Co 03 Jin and Jin Pro

The differences between Lynk & Co 03 Jin and Jin Pro are as follows: 1. The configurations and prices of the two models are different. The Jin Pro version has higher configurations than the Jin version. 2. The Jin Pro model has additional features compared to the Jin version, including lane change assist, lane departure warning, lane keeping, traffic sign recognition, automatic emergency braking, fatigue driving reminder, front parking radar, 360-degree surround view, rear cross-traffic alert, full-speed adaptive cruise control, automatic parking, hidden driving recorder, and front-row wireless phone charging system.
10
5
Share

What car has five slashes?

The car logo with five slashes is WM Motor. Here is some information about WM Motor: 1. WM Motor was established in 2015. 2. WM Motor is a domestic emerging provider of new energy vehicle products and mobility solutions. As a pioneer in intelligent technology, WM Motor had already mass-produced and popularized L2-level autonomous driving assistance systems by 2019. 3. WM Motor has established substantial technical reserves in advanced autonomous driving technologies such as L3 and L4, and is committed to promoting the development and implementation of smart mobility industries.
11
0
Share

How to Turn on the Air Conditioning in an Audi Car?

Press the middle air volume button (the '-' button) on the air conditioning panel. Keep pressing until the air volume reaches 'O', and the air conditioning system will turn off. Press the ECON button on the air conditioning panel to light up the button, and the air conditioning cooling system will turn off. Below is information about the air conditioning in Audi cars: 1. The Audi A4L air conditioning can achieve zoned control of the interior space to meet the comfort needs of passengers in different positions. 2. Adjust the air outlet mode and temperature. Selecting the automatic air conditioning mode can maintain the most comfortable and pleasant temperature and air quality inside the car in real-time, whether it's the scorching sun outside or the freezing cold wind.
6
5
Share

Can Disinfectant Alcohol Be Carried in a Car?

Disinfecting a car should not involve alcohol as it is a flammable and explosive liquid. In the confined space of a car, there is a risk of fire or explosion. To avoid damaging the interior decorations of the car, disinfectants such as peracetic acid, chlorine-containing disinfectants, or chlorine dioxide should be used. Methods for car disinfection include: 1. Spraying or wiping the interior with disinfectants to achieve sterilization through chemical action; 2. Using a car-specific disinfectant machine to deliver high-concentration ozone into the car for sterilization; 3. Cleaning with ordinary detergents, followed by the application of protectants or dry-cleaning treatments to clean the car interior, carpets, floor mats, and seat covers, then spraying cleaning agents and bactericides, and finally disinfecting with high-temperature steam.
4
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.