What is the difference between manual-automatic transmission and manual transmission?

What are the signs that brake fluid needs to be replaced?

The signs that brake fluid needs to be replaced include intermittent warning flashes of the brake indicator light during emergency braking or continuous braking. Below are the specific impacts of not replacing brake fluid for an extended period: 1. Corrosion of the braking system: Brake fluid is hygroscopic and tends to absorb water. If not replaced for a long time, the brake fluid can corrode the braking system, posing significant safety risks. 2. Formation of vapor lock: After absorbing water, the boiling point of brake fluid decreases, which can easily lead to insufficient braking pressure and affect braking performance. When the temperature rises to the boiling point, the water in the brake fluid will boil, generating a large number of bubbles. 3. Clogging of the brake system: Not replacing the brake fluid for a long time allows deposits and impurities in the brake lines to cause brake system malfunctions, impairing braking performance.

11

5

Share

What does it mean when the steering wheel exclamation mark light comes on?

The appearance of an exclamation mark on the steering wheel indicates the Electronic Power Steering (EPS) indicator light, which should disappear immediately after the engine starts. The Electric Power Steering (EPS) system is a power steering system that directly relies on an electric motor to provide auxiliary torque. Compared to the traditional Hydraulic Power Steering (HPS) system, the EPS system offers many advantages. The EPS system mainly consists of components such as a torque sensor, vehicle speed sensor, electric motor, reduction mechanism, and Electronic Control Unit (ECU). The Electric Power Steering system evolved from the traditional mechanical steering system. It utilizes the power generated by an electric motor to assist the driver in steering operations. The system is primarily composed of three major parts: signal sensing devices (including torque sensor, steering angle sensor, and vehicle speed sensor), steering assist mechanism (motor, clutch, reduction transmission mechanism), and electronic control device. The electric motor operates only when assistance is needed. When the driver operates the steering wheel, the torque and angle sensors generate corresponding voltage signals based on the input torque and steering angle. The vehicle speed sensor detects the speed signal, and the control unit issues commands to control the motor's operation based on the voltage and speed signals, thereby generating the required steering assistance.

5

3

Share

What does DISP mean in a car?

DISP on the car steering wheel stands for display screen. Here are the specific details about DISP in cars: 1. Function of DISP: DISP can switch the trip computer display data. Usually, the DISP button is located on the steering wheel. By pressing the DISP button, the driver can access information such as the vehicle's mileage, fuel consumption records, remaining fuel level, remaining driving range, etc. 2. How to use DISP: A short press on DISP can switch the information displayed on the central multifunction screen, while a long press followed by a short press allows for adjustments or changes to configurations like the clock. Pressing it once in the car will change the data displayed on the dashboard. For example: if the current display shows fuel consumption per 100 kilometers, pressing it once changes it to the remaining fuel level, pressing it again changes it to the trip mileage, and pressing it once more will display another type of information.

11

2

Share

What is the status when pressing the start button once without stepping on the brake?

The status of pressing the start button once without stepping on the brake is to power on the vehicle, lighting up the lights, air conditioning, and instrument panel. Pressing it twice will start the engine. The function of the one-button start is similar to the traditional key method. The car ignition switch has four positions: OFF, ACC, and the engine start position. Some models may only have three positions, omitting the ACC position. OFF means the power is off, ACC allows power supply to some electrical components without starting the engine, ON powers all electrical components without starting the engine, and the start position is a self-resetting switch that automatically returns to the ON position after the engine starts. The two beeps when turning off the engine with the one-button start serve as a reminder, indicating that the vehicle is in anti-theft mode, which is a normal phenomenon. The functions of the one-button start are as follows: Pressing the one-button start once powers on the vehicle, while pressing it twice starts the engine. For most one-button start vehicles, pressing once puts the vehicle in the ACC state, maintaining interior lights and allowing some electrical components to function normally. Pressing once without stepping on the brake unlocks the steering wheel, pressing twice connects the vehicle's electronic control system, and pressing the start switch while stepping on the brake will start the engine.

7

1

Share

Is the Annual Inspection of Commercial-to-Private Vehicles Troublesome?

Commercial-to-private vehicles follow the normal annual inspection process, which is not troublesome. Vehicles that have changed their usage nature or undergone transfer registration should be those within 1 year of use, and they must not alter their usage nature, transfer ownership, or move out of the municipal administrative region where they are registered. If a commercial passenger vehicle and a non-commercial passenger vehicle undergo mutual conversion of usage nature, they must comply with the commercial passenger vehicle's mandatory scrapping regulation, which is 8 years. According to the annual inspection regulations, vehicles within 5 years must be inspected once a year, while those over 5 years must be inspected every 6 months. Be cautious when purchasing commercial-to-private vehicles. Before buying, it is advisable to check their usage period. Commercial vehicles have a mandatory scrapping period, which may cause some trouble during annual inspections. Commercial-to-private refers to the conversion of commercial vehicles to private vehicles, and commercial-to-private drivers refer to taxis that are phased out and converted to local license plates. Annual inspection cycle for ride-hailing commercial-to-private vehicles: According to the requirements of the transportation management department, ride-hailing drivers must first terminate their operating contracts with the ride-hailing platform before the transportation management department can convert the ride-hailing vehicle back to private vehicle status. For such commercial-to-private cars, the regulations stipulate that vehicles within 5 years must be inspected once a year, while those over 5 years must be inspected every 6 months.

15

5

Share

What is an Automatic Transmission Car?

An automatic transmission car is a vehicle that uses an automatic transmission (AT) to regulate speed. The following introduces the gears of an automatic transmission car: 1. P stands for Park. 2. N stands for Neutral. 3. D stands for Drive, the normal forward gear. 4. 1, 2, 3 are also forward gears, with higher numbers indicating greater torque. Here is an introduction to automatic transmission cars: 1. The control system of the automatic transmission automatically selects the appropriate gear based on the engine's speed and load. 2. It uses a hydraulic transmission device to replace the mechanical clutch of manual transmission cars, eliminating the need for a clutch pedal. 3. When the engine speed is low, the torque transmitted by the fluid is limited and insufficient to propel the car forward. 4. When the gear lever is placed in the drive position and the brake pedal is released, increasing throttle and engine speed raises the transmitted torque, propelling the car forward.

11

1

Share

What is the difference between manual-automatic transmission and manual transmission?

What are the signs that brake fluid needs to be replaced?

What does it mean when the steering wheel exclamation mark light comes on?

What does DISP mean in a car?

What is the status when pressing the start button once without stepping on the brake?

Is the Annual Inspection of Commercial-to-Private Vehicles Troublesome?

What is an Automatic Transmission Car?

Can the rear seats of the 2021 Buick Excelle be folded down?

What Causes Engine Shaking When Turning on the AC?

What maintenance is required for a car at 40,000 kilometers?

What is the fuel tank capacity of the first-generation Geely King Kong?