What does the 'A' mean on a car?

1 Answers
StValentina
07/29/25 7:06pm
The 'A' on a car stands for the Auto Hold function. Vehicles equipped with an electronic parking brake usually come with the Auto Hold feature, which is not enabled by default and requires the driver to manually activate it. Here is some related information: Benefits of Auto Hold: Once the Auto Hold function is activated, it eliminates the need for frequent operation of the handbrake or electronic parking brake. For automatic transmission models, it also reduces the need to frequently switch between D to N or D to P. How Auto Hold works: Through a slope sensor, the controller provides precise parking force. During startup, the parking control unit calculates data from the clutch distance sensor, clutch engagement speed sensor, and throttle pedal sensor. When the driving force exceeds the running resistance, the parking brake is automatically released, allowing the car to start smoothly.
Was this review help?
6
1
Share
More Forum Discussions

What is the function of a car's clutch?

Clutch The function of the clutch is to smoothly engage or temporarily separate the engine's power from the transmission device, facilitating the driver's operations such as starting, stopping, and shifting gears. Below are the relevant details: 1. Clutch: The clutch is located within the flywheel housing between the engine and the transmission. The clutch assembly is secured to the rear plane of the flywheel with screws, and the output shaft of the clutch serves as the input shaft of the transmission. During driving, the driver can press or release the clutch pedal as needed to temporarily separate or gradually engage the engine and the transmission, thereby cutting off or transmitting the engine's power to the transmission. 2. Notes: Only manual transmission vehicles are equipped with a clutch. Automatic transmission vehicles have only the brake and accelerator, with gear shifts automatically controlled by the vehicle's computer.
4
4
Share

What are the symptoms of a faulty rear brake caliper?

The symptoms of a faulty brake caliper in a car include oil leakage at the connection between the caliper and the oil pipe, a soft feeling when pressing the brake pedal, and the steering wheel noticeably pulling to one side after pressing the brake pedal. This situation is likely caused by uneven wear of the brake pads or a malfunction of the caliper. After pressing the brake pedal, the pedal does not rise and there is no resistance, meaning the brake does not return to its original position. Additional information: Brake pad failure: The brake pads' friction coefficient decreases due to overheating. Brake pads are the terminal executors of the braking system, and if they are damaged, braking becomes impossible, leading to brake failure. On long downhill sections, prolonged braking can cause the surface to overheat, significantly reducing the friction coefficient, making it impossible to generate sufficient friction force and thus unable to brake.
15
5
Share

How long does it take to receive a traffic violation notification?

You can receive the notification within 3 days after the traffic violation is captured. Relevant details about traffic violations are as follows: Reasons for delay: There is usually some delay between the occurrence of the traffic violation and receiving the SMS notification, and the specific duration may vary. This is quite normal because after the electronic police detect and capture the violating vehicle, the relevant information must be transmitted back to the management center through a dedicated channel for consolidation and review. Only after approval will the violation be confirmed for the vehicle. Process: During this process, the system also needs to query the vehicle owner's mobile phone number registered at the vehicle management office based on the license plate information. Finally, the relevant violation information is sent to the owner via SMS. All these tasks require time to complete.
1
4
Share

Can I Claim Compensation If My Car Is Flooded in the Garage?

Yes. For vehicles parked in underground garages, if damage is caused by water ingress, the property management company should be held liable for compensation. Here are solutions for dealing with water in the car: 1. Rainwater: If only rainwater has entered the car, the impact is minimal. Simply open the windows on sunny days to allow thorough drying. 2. Water entering the cabin: The repair process mainly involves removing accumulated water. There are several rubber seals at the bottom of the vehicle chassis—opening these seals can drain water from the cabin. However, since floor mats and interior materials absorb water easily, they should be removed and placed in a spacious area to facilitate evaporation. 3. Moisture inside the car: Turn on the air conditioning and adjust the circulation setting to internal recirculation. This allows moisture inside the cabin to be expelled through the AC system, which is a quick dehumidification method in summer.
5
3
Share

At what speed per hour is the JAC Jiayue A5 most fuel-efficient?

The JAC Jiayue A5 achieves optimal fuel efficiency when maintaining a speed of 70 kilometers per hour. Below are relevant details about the JAC Jiayue A5. 1. Exterior: The Jiayue A5 embodies a youthful and sporty design philosophy, marking JAC Motors' first fastback model. Its streamlined silhouette features refined craftsmanship with balanced proportions. The slightly forward-leaning front fascia creates a poised-for-action stance when viewed head-on. 2. Features: The Jiayue A5 adopts a "dual-screen setup" comprising a 10.4-inch HD LCD touchscreen and 7-inch digital instrument cluster. The 10.4-inch central display integrates multiple functions including the J-Link intelligent connectivity system, iFlytek 3.5 voice recognition technology, and smartphone remote control capabilities.
16
5
Share

What is the difference between fake China IV and real China IV?

Fake China IV trucks are not strictly China IV trucks. In reality, fake China IV trucks are equipped with engines below the China IV standard but have China IV certification procedures. Although the paperwork shows China IV, it is essentially 'selling dog meat as mutton.' 1. Reasons for the emergence of fake China IV: China IV trucks require the use of urea to reduce emissions, but for those who need to transport goods year-round, the cost of urea consumption is relatively high. 2. How to determine a truck's emission standard: You can judge by the engine's fuel supply method. Plunger pump fuel without turbocharging is China I emission standard, plunger pump fuel with turbocharging is China II emission standard, electronic injection with turbocharging is China III standard, electronic injection with turbocharging and exhaust treatment is China IV standard, and high-pressure common rail with exhaust treatment is China VI standard. 3. Ask the vehicle management office staff with the vehicle's registration certificate.
17
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.