···
Log in / Register

How to Use a Manual Car Air Conditioner?

4 Answers
EloiseLee
07/29/25 2:57pm

Generally, the blue button on the left side of the car represents cold air, while the red one represents warm air, and the middle one represents a moderate temperature. The middle button controls the fan speed, and the one on the far right adjusts the mode, allowing you to switch between blowing air to the feet, hands, windshield, or even using two modes simultaneously. The white line on the left adjusts the temperature. If it feels too warm, you can set it to the middle. To turn off the air conditioner, simply switch off the central fan.

Was this review help?
17
5
Share
Reed
08/13/25 7:32am

Manual air conditioning operation is quite straightforward, I've been using it for years. After starting the engine, the first step is to adjust the temperature knob, usually turning it towards the blue section for cold air, adjusting according to the weather—turn colder on hot days. The fan speed knob controls the airflow, from low to high, just test the feel. The mode knob selects the airflow direction, commonly used for face or face and feet combination. Don't forget to press the AC button to activate the compressor for cooling—it's also effective for defogging in winter. In summer, open the windows for a few minutes before closing them and turning on the AC to cool down quickly and save fuel. For safety, avoid direct airflow to the face to prevent dizziness, use external circulation on rainy days to reduce fogging, and regularly clean the AC filter to prevent dust buildup and bad odors that affect health.

Was this review help?
10
4
Share
Expand All
JuliannaLee
10/11/25 5:37am

As a new car owner, I'm a bit unfamiliar with manual air conditioning. After starting the car, I first turn the temperature knob towards the cold air direction. If the car feels hot, I adjust it to the blue end; the fan speed starts from the minimum and gradually increases to check comfort level; the mode knob tries different combinations of blowing on windows or feet. Remember to press the AC switch to activate the cooling, otherwise it's just blowing air. At high speeds, a higher fan speed makes it cooler, while in the city, medium speed saves some fuel. When the AC is on, keeping the windows closed improves efficiency, but occasionally opening the sunroof helps regulate the air inside and outside. At first, forgetting to adjust the mode and blowing directly can feel too cold and uncomfortable, but after a few tries, it becomes very handy. Don't forget in winter to use the warm air direction and AC defogging together to avoid blurred windows affecting visibility.

Was this review help?
20
1
Share
Expand All
EmilianoDella
11/24/25 6:44am

Manual air conditioning is quite simple to use. I often turn it on when taking my kids out. After starting the car, I first adjust the temperature knob towards the cold direction, but not too cold to avoid the kids catching a cold. The fan speed knob is set to medium. I select the face mode to avoid direct airflow on children or elderly passengers. Press the AC button to start cooling and close the windows to maintain the temperature. Daily tips: In summer, open the ventilation first before turning on the AC for quick cooling and energy saving. In winter, switch to defog mode immediately if there's fog and turn on the external circulation. It's best to clean the AC filter every six months to prevent excessive dust from affecting health. When using it, adjust the angle for comfort and safety to avoid distraction.

Was this review help?
9
5
Share
Expand All
More Forum Discussions

Will Steering Wheel Stickers Affect Airbags?

Steering wheel stickers can affect airbags, so it's best to avoid covering them. Airbag Working Principle: Car airbags are designed to deploy within a very short time after a collision occurs. The ECU sends an ignition command, the gas generator detonates to release gas, and the inflated bag breaks through the cover to form a cushion, preventing the forward-moving occupant from hitting the steering wheel, dashboard, or other car components. Airbag Precautions: Do not place any objects in areas equipped with airbags, as the instantaneous force during deployment is extremely powerful. Airbags are passive safety devices and must be used in conjunction with seat belts to achieve optimal protection. Additionally, avoid applying strong impacts to areas with airbags.
4
3
Share

What does 'Please Check Tire Pressure and Temperature' mean?

Please check tire pressure and temperature means that you need to check whether the tire pressure is too high or too low. This alert may appear because the pressure in one of the tires is too low, prompting a dashboard warning. It is recommended to pull over safely and check the pressure of all four tires using a tire pressure gauge. Typically, a pressure of around 2.5 bar is considered normal. If any tire shows lower pressure, it indicates that the tire is leaking. There are two main types of tire pressure monitoring systems: indirect tire pressure monitoring and direct tire pressure monitoring. Tire pressure plays a crucial role in the lifespan of the tires and driving safety, so it is essential to check the tire pressure regularly, especially before long-distance or high-speed driving, to ensure road safety.
4
1
Share

What does motorcycle 400 mean?

Motorcycles generally refer to two-wheeled or three-wheeled vehicles with an engine displacement of 400cc or above, powered by a gasoline engine and steered by handlebars to control the front wheel. They are lightweight, flexible, and fast, widely used for patrol, passenger and cargo transportation, and also serve as sports equipment. Components of a motorcycle: A motorcycle consists of five main parts: the engine, transmission system, running gear, steering and braking system, and electrical instrument equipment. Starting methods of a motorcycle: Motorcycles are primarily started using a kick-start mechanism. The starting mechanism includes a sector gear starting mechanism, represented by the Xingfu XF250 motorcycle. The kick-start lever drives the sector gear, starting ratchet, clutch assembly sprocket, front chain, and crankshaft sprocket to rotate the crankshaft, thereby starting the engine.
18
3
Share

Can a newly purchased used car be traded in?

Newly purchased used cars can be traded in, provided they are within the nationally permitted vehicle scrapping age limit, meet exhaust emission requirements, have no ownership disputes, and for installment payment vehicles, all payments must be settled with all vehicle documentation retrieved. Introduction to trade-in: Car trade-in means that when consumers are ready to buy a new car, they bring their original car to the intended model's 4S store, where staff evaluate its price and use this price as a discount to cover the remaining payment. Pros and cons of trade-in: It generally requires less time investment, and car owners who are not knowledgeable about cars don't need to worry too much about being deceived. However, the price evaluated by the 4S store is usually lower than the market price for used cars, and even with trade-in subsidies, the difference is not significant.
13
3
Share

Is It Normal for a Motorcycle to Make Loud Gear Shifting Noises?

Motorcycle gear shifting noises are normal. Shifting from a lower gear to a higher gear: First, accelerate, then slightly close the throttle, quickly pull the clutch lever with your left hand to disengage the clutch, shift up to the next higher gear, gently release the clutch lever, and then increase the throttle. Following these steps sequentially will allow you to reach the highest speed gear. Shifting from a higher gear to a lower gear: First, slightly close the throttle to reduce speed, quickly pull the clutch lever, shift to the desired gear, then gradually release the clutch lever while increasing the throttle. When downshifting, it is essential to reduce the speed to match the speed appropriate for the lower gear before shifting.
19
1
Share

Why is there still blue smoke after replacing the engine?

Blue smoke indicates oil burning, and the main reasons for oil burning are as follows: Unqualified engine oil: Low-quality engine oil can accelerate wear. Additionally, if the oil viscosity is too low or too high, it can lead to poor engine lubrication, increasing wear on the piston rings and cylinder walls, reducing sealing performance, and resulting in oil burning. Excessive clearance: Excessive clearance between the piston rings and cylinder walls, improper installation of piston rings, or degraded sealing performance can allow oil on the cylinder walls to enter the combustion chamber, causing oil burning. Furthermore, poor sealing performance of the valve seals, damage to the Positive Crankcase Ventilation (PCV) valve, or clogged crankcase ventilation ports can increase pressure in the crankcase, causing oil to enter the cylinders along with crankcase gases and participate in combustion.
1
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.