···
Log in / Register

What does pushDUAL mean on a car's air conditioner?

1 Answers
LeBeau
07/29/25 8:27am
PushDUAL on a car's air conditioner is the zoned temperature control button. When this button is pressed, the indicator light turns on, allowing you to set the air conditioning temperature for both the driver and front passenger seat areas. After adjusting to the desired temperature, turning off this button will make the automatic air conditioner regulate the temperature according to the set values. Below is some related information about air conditioning zoning: 1. Basis of zoning: Air conditioning zoning is based on load analysis, dividing the entire air conditioning area into several temperature control zones according to the differences in air conditioning load. 2. Purpose of zoning: The goal of air conditioning zoning is to enable the air conditioning system to effectively track load changes, improve indoor thermal environments, and reduce air conditioning energy consumption.
Was this review help?
3
0
Share
More Forum Discussions

Should the Captiva use 92 or 95 octane gasoline?

For the Chevrolet Captiva, 92 octane gasoline is sufficient. It is recommended not to use higher-octane gasoline for extended periods, as it can alter the ignition timing. Prolonged use of higher-octane gasoline is not only detrimental to the vehicle but can also shorten the engine's lifespan. Additional information: Automotive gasoline: Automotive gasoline is a liquid fuel refined from petroleum, primarily used in cars and motorcycles. It is produced by blending straight-run and secondary processed distillates from petroleum, refined and supplemented with necessary additives. Its boiling point ranges from 30 to 205°C. Automotive gasoline should form a uniform mixture under any operating conditions, combust normally under any load, and should not produce carbon deposits or gum during combustion.
11
3
Share

Does Canceling a Subject 2 Exam Reservation Count Towards the Attempt Limit?

Yes, it does. Each trainee is allowed to cancel their reservation up to three times per subject, which is a legitimate and reasonable procedure. The scheduling of driving license tests is based on a ranking system, where users with higher priority are placed at the front of the queue and are naturally prioritized for examination. Canceling a reservation under normal circumstances will not affect this ranking. Additional Information: Important Notes: When starting the car for the first time during driving lessons, it is essential to follow the correct sequence. Regardless of whether the handbrake was engaged when the car was previously parked, always release the handbrake before starting. Furthermore, if you notice anything unusual about the car while driving, you must stop to inspect and understand the issue thoroughly before continuing to drive.
6
3
Share

How many chances are there for Subject 4?

There is no limit to the number of times you can schedule Subject 4, meaning there is no limit to the number of retakes. However, on the day of a scheduled exam, you only have one chance for a retake. If you fail Subject 4, you do not need to retake the previously passed subjects (Subject 1, Subject 2, Subject 3). You can schedule a retake on your own, and no additional fees are required for the retake. Additional information: Subject 4, also known as the theoretical exam for Subject 4, primarily tests the driver's knowledge of safety and civilized driving. Subject 4 separates some content from Subject 1 for independent testing, covering the following three main areas: requirements for safe and civilized driving, safe driving skills under complex conditions, and emergency handling in critical situations.
5
3
Share

Can I take the second test immediately if I fail the first attempt in the Subject 1 exam?

The "Regulations on the Application and Use of Motor Vehicle Driver's Licenses" clearly stipulates that the Subject 1 exam can be taken twice on the same day. If the first attempt is failed, a second free retake is allowed. If the second attempt is also failed, the Subject 1 exam is terminated, and the candidate can only reschedule the exam after ten days. Subject 1, also known as the theoretical exam or driver's theory test, is part of the motor vehicle driver's license assessment. The exam content includes driving theory basics, road safety laws and regulations, local regulations, and related knowledge. The exam is conducted on a computer with a time limit of 45 minutes. A passing score for Subject 1 is 90 points out of 100. The exam consists of 100 questions, including single-choice and true/false questions, with each question worth 1 point. If 11 questions are answered incorrectly, the system will automatically submit the exam and end the test. Subject 1 exam content: Driver's license and motor vehicle management regulations; road traffic conditions and regulations; road traffic safety violations and penalties; road traffic accident handling regulations; basic knowledge of motor vehicles; local regulations; knowledge of braking systems and safety devices for large and medium-sized passenger and freight vehicles; specialized knowledge for wheeled self-propelled machinery, trams, and trolleybuses. Subject 1 exam precautions: Candidates should pay attention to their attire; no slippers are allowed, and electronic devices and bags are prohibited in the exam room. Bring your ID card and queue to enter the waiting hall. Observe the precautions and procedures on the large screen, and store personal belongings in lockers before entering the exam room. Upon entering, the identity verification station will assign a seat. After finding your seat, begin the exam. Ensure the camera is aligned with you and follow exam discipline. If you fail the first attempt, a retake is available on the same day. If you fail again, you must pay to reschedule the exam. After the exam, queue to collect your score report and sign it. Unsigned reports are considered invalid. There is no limit to the number of times you can reschedule the Subject 1 exam. Each subject can be taken once, with one free retake if failed. If you do not take the retake or fail it again, the exam is terminated, and the applicant must reschedule. For Subject 2 and Subject 3, only five attempts are allowed, and rescheduling must be done after ten days. If the Subject 3 safety and civilized driving knowledge test is failed, the passed road driving skills test scores remain valid. There are three subjects in the driver's license exam: Subject 1, Subject 2, and Subject 3. Subject 1 refers to the road traffic safety laws, regulations, and related knowledge exam. Subject 2 refers to the field driving skills exam. Subject 3 is divided into two parts: road driving skills and safety and civilized driving knowledge. The safety and civilized driving knowledge test is conducted after Subject 3, so it is commonly referred to as Subject 4. However, the official terminology (i.e., the Ministry of Public Security's Order No. 123) does not include the term "Subject 4."
5
1
Share

How to Match Car Tires and Wheels?

Matching Method: Simply choose tires with the same size specifications as the original factory tires for replacement. However, the following two points need to be noted: Perform Tire Dynamic Balancing: Changing tires will alter the mass balance between the tire and the wheel. An unbalanced wheel can cause severe vibrations during high-speed rotation, affecting driving safety. Therefore, after replacing tires, it is essential to perform tire dynamic balancing. Consistent Specifications: When replacing tires, always ensure that the new tires have the same size specifications as the original factory tires. Using tires that do not meet the required specifications can negatively impact the vehicle's driving quality and even pose significant safety hazards, compromising driving safety.
19
2
Share

Which has a longer lifespan, CVT or DCT?

Compared to CVT, DCT has a longer lifespan. Detailed introductions about CVT and DCT are as follows: Introduction to CVT: CVT refers to a type of automotive transmission, also known as a continuously variable transmission. The difference between CVT and stepped transmissions is that its gear ratio is not a series of discrete points but a continuous range of values, thereby achieving good fuel economy, power performance, and driving smoothness, while also reducing emissions and costs. Introduction to DCT: DCT is the abbreviation for Dual-Clutch Transmission, directly translated into Chinese as "dual-clutch transmission" (the same as DSG "Direct-Shift Gearbox," but DSG is only the term used by Volkswagen). Because it operates through two sets of clutches, it is generally referred to as a dual-clutch transmission.
19
5
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.