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Can a car cool without turning on the AC?

1 Answers
VanAdriana
07/30/25 6:44am
The car AC switch is the cooling switch, so without turning on the AC, the car cannot cool. Not turning on the AC switch means the compressor is not working, and the air coming out of the car's air vents is at natural temperature. Here is some relevant information: 1. Modern car air conditioning systems are divided into manual and automatic air conditioning. Both manual and automatic air conditioning have an A/C button. Automatic air conditioning only requires setting the desired temperature, and it can automatically select and open or close various air vents, adjust the airflow, and turn the A/C switch on or off based on light sensors and multiple interior temperature sensors to maintain a constant temperature inside the car, ensuring great comfort. 2. With manual air conditioning, you need to adjust the airflow and temperature of the air vents yourself, and generally, the car interior does not maintain a constant temperature.
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What is the M gear in Toyota?

M gear is the manual mode of an automatic transmission. In this gear, shifting can be done just like in manual transmission vehicles, upshifting at high speeds and downshifting at low speeds. Below is the relevant introduction: When using the manual shifting mode, you need to switch the gear lever to the "M" position. You can shift directly into M gear from D gear while driving. When shifting, you only need to move the gear lever, use the paddle shifters on the steering wheel, or press the shift buttons. You can view the current gear information through the display on the instrument panel. Just remember that the upshifting and downshifting of a manual-automatic car follow the same principle as a manual transmission, which means the shifting timing is determined based on the engine's RPM.
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What are the reasons why the trunk of Golf 7 cannot be opened?

If a reversing camera is installed, you need to use the key to open it; otherwise, it won't open. Here are some related issues regarding the trunk not opening: 1. Locked status: Confirm whether the trunk is actually in the locked state. If it is not locked, using the key to unlock it will not work. 2. Already locked: If the car door is confirmed to be locked, try using the key several times. Sometimes, if the trunk door is not properly engaged, the key unlocking may fail. 3. Automatic lock is on: If the automatic lock is on and the trunk door still cannot be opened, you need to manually release the manual lock. Feel for the manual lock with both hands, press it downward, and then use the key to unlock again to see if the manual lock engages with the opening mechanism.
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Why are used MG7 cars so cheap?

MG7's five-year residual value rates in the used car market are currently 51.73%, 45.73%, 40.09%, 34.79%, and 29.81% respectively. According to statistics from the China Automobile Dealers Association, the average first-year residual value rate for domestic used cars is 70%, and the average third-year residual value rate is 60%. The MG7's first three years are below this average standard. Here is additional information: MG MG7: The MG MG7 is a slightly modified rebadged version of the Rover 75 prototype. As the main product tasked with impacting the official and business vehicle market, the MG7 can be considered the representative model in MG's entire product lineup that achieves the optimal balance in tuning all aspects of vehicle performance, fully demonstrating comprehensive parameter and performance advantages.
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Ford Displays Hill Start Assist Malfunction?

New Ford Focus cars indicate that the hill start assist is unavailable because the road condition the vehicle is on is not suitable for the hill start assist system. Here is some relevant information about hill start assist: 1. Definition: Hill Start Assist, also known as Hill-start Assist Control. To prevent difficulty in starting on a slope, the hill start assist control temporarily (for a maximum of about 3 seconds) applies braking to all four wheels to prevent the vehicle from rolling backward. 2. Usage: For vehicles with automatic transmission, the hill start assist system is used as follows: when the gear is in any position except P (do not place it in P, any other gear is fine), press the brake pedal firmly until you hear a "beep" sound. At this point, the hill start assist system is activated (working time is two seconds), and the brake lights will illuminate automatically generating braking force.
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What Causes Idle Vibration When the Air Conditioner is On?

Here are the specific reasons for idle vibration when the car's air conditioner is on: 1. Shock absorber system failure: The shock absorber system is mainly responsible for filtering the vibration of the engine during operation. If there is a problem with the shock absorber, these vibrations will be directly transmitted to the steering wheel and the cabin, affecting driving. When the engine is idling, turning on the electrical systems inside the car can also easily cause vibration. The engine increases its load due to the activation of electrical systems, leading to a drop in idle speed. To compensate for the vibration caused by the drop in idle speed, the engine will automatically increase the RPM. When turning on electrical systems, especially the air conditioner, the engine often experiences vibration. This vibration is likely caused by aging shock absorbers and requires timely replacement. 2. Unstable oil pressure: If the engine carbon deposits have been cleaned, the throttle body has been cleaned, and the oil pads have been replaced, but the car still vibrates, it is recommended to check the fuel supply pressure and the intake pressure sensor at a repair shop. If the fuel pump supply pressure is abnormal or the intake pressure sensor values are incorrect or malfunctioning, it can cause car vibration. 3. Cold start: The main reason for car vibration during a cold start is insufficient fuel combustion, resulting in insufficient power from the car. The ignition energy is relatively low, and during startup, when the temperature of the fuel and lubricating oil is low, more fuel is needed to meet the power demand. Over time, the electrode gap of the spark plug gradually increases, leading to a decrease in ignition energy and poor fuel atomization, which causes car vibration. In addition, aging ignition coils, aging high-voltage wires of the spark plugs, or leakage can also lead to a decrease in ignition energy.
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Why Are Used Fista Cars So Cheap?

Used Fista cars are cheap primarily to attract attention. Here are some considerations when purchasing a used car: 1. Vehicle Invoice Date: Sometimes, new cars may have invoice dates that don't match the actual purchase date due to delays from the 4S store. The invoice date serves as proof of the initial purchase date for future resale. 2. Purchase Documentation: When buying a used car, ensure the dealer provides necessary documents such as the vehicle registration certificate, vehicle license, and purchase invoice. The used car market is influenced by many factors, so it's essential to inspect and compare thoroughly. It's advisable to bring a knowledgeable friend when inspecting the car.
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