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What are the reasons for a dash cam not recording?

1 Answers
McJake
07/25/25 4:49am
The reasons for a dash cam not recording are: 1. The motion detection function is enabled, under which the dash cam will not record if the scene is static; 2. The memory card speed is insufficient or errors occur while storing video files, or there are other inherent issues; 3. The loop recording function is turned off, causing videos not to be automatically deleted and continuously stored in the dash cam until the storage space is full, resulting in the dash cam not recording; 4. The G-sensor function is enabled or the sensitivity is set too high, causing the dash cam to automatically detect a collision and lock the video segment during that time, making it undeletable and filling up the storage space, thus preventing the dash cam from recording.
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What Causes the Battery Light to Occasionally Illuminate While Driving?

When the battery light occasionally illuminates while driving, it is primarily due to reasons such as a loose belt or tensioner pulley, worn generator carbon brushes, a faulty generator voltage regulator, loose battery terminals, or a faulty battery sensor. Loose Belt or Tensioner Pulley: The generator is driven by a belt and pulley on the engine, and the tensioner pulley's role is to keep the belt tight to prevent slipping. Over time, the belt may stretch, and the tensioner's tension may decrease, causing the belt to slip, especially during acceleration. A slipping belt may fail to drive the generator, causing it to temporarily stop working. In this case, the belt needs to be reinforced and tightened. Worn Generator Carbon Brushes: The generator's carbon brushes are in constant contact with the rotor and can wear out over time, leading to abnormal generator operation and failure to charge the battery. Solution: Replace the generator carbon brushes. Faulty Generator Voltage Regulator: The voltage regulator is integrated with the generator and functions to convert the AC voltage generated by the generator into DC voltage. Additionally, as the engine's operating conditions vary, the speed fluctuates, causing the generator's output AC voltage to fluctuate as well. The regulator stabilizes this voltage. Solution: Replace the voltage regulator. Loose Battery Terminals: If the battery terminals are not tightened properly, vibrations during driving may cause poor contact, preventing the battery from charging. Solution: Tighten the battery terminals. Faulty Battery Sensor: The battery sensor detects the generator's charging voltage and works in coordination with the regulator to ensure stable voltage delivery to the battery. Solution: Replace the battery sensor. Battery Maintenance Tips: Keep the battery clean and dry, ensuring the vent holes are unobstructed. If oxides appear on the plates or terminals, clean them and apply a small amount of grease to prevent corrosion. Avoid continuous use of the starter motor. Each use should not exceed 5 seconds, with a 10-15 second break between attempts. In winter, the battery discharge level should not exceed 25%, and in summer, it should not exceed 50%. A battery with sufficient electrolyte should not be left in a state of insufficient charge for extended periods. Regular charging is necessary to prevent permanent damage.
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Where is the car engine located?

Depending on the vehicle, the car engine may be located in the front, middle, or rear of the vehicle. Here is some information about car engines: 1. Working principle: A four-stroke gasoline engine mixes air and gasoline in a certain proportion to form a good combustible mixture, which is drawn into the cylinder during the intake stroke. The mixture is compressed, ignited, and burned to produce thermal energy. The high-temperature and high-pressure gas acts on the top of the piston, pushing the piston to perform reciprocating linear motion, and the mechanical energy is output through the connecting rod, crankshaft, and flywheel mechanism. The four-stroke gasoline engine completes a working cycle in the intake stroke, compression stroke, power stroke, and exhaust stroke. 2. Usage precautions: Regularly change the engine oil and oil filter. When the oil passes through the fine holes of the oil filter, solid particles and viscous substances in the oil accumulate in the filter. If the filter is clogged, the oil cannot pass smoothly through the filter element, which may cause the filter element to burst or open the safety valve, allowing the oil to bypass through the bypass valve and carry dirt back to the lubrication area, accelerating engine wear and increasing internal pollution.
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What are the body dimensions of the Jetour X70?

Jetour X70's body dimensions are 4720mm in length, 1900mm in width, and 1695mm in height, with a wheelbase of 2745mm. The first model of Jetour under Chery Holdings, the Jetour X70, has officially been launched. The new car is positioned as a wide-body intelligent SUV, offering a total of 8 models with two power combinations: manual and automatic. The Jetour X70 is a wide-body intelligent SUV developed based on Chery Holdings' years of accumulated automotive technology and deep insights into the normalization of leisure travel, internet ecology, and the needs of the new generation of consumers. The product is positioned as the first choice for family travel, featuring high aesthetics, spacious interior, enhanced intelligence, and excellent quality. The Jetour X70 adopts a unique Hui-style design language, where the three-chrome three-slat front grille blends seamlessly with piano black paint, perfectly embodying the combination of movement and stillness. The grille extends to the headlights for a perfect stretch, making the front face of the car more dynamic.
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Which button is the defogger in the car?

There are two defogger buttons in a car. One is for the front windshield defogging, marked with: a fan shape containing three upward wavy lines. The other is for the rear windshield defogging, marked with: a rectangle containing three upward wavy lines. Here are the specific methods for defogging in a car: 1. Use a wet towel to wipe: While driving, if fog appears inside the car, the owner can find a suitable place to park and then wipe the fog away with a wet towel. 2. Open the car window: The reason for fogging inside the car is simply due to the large temperature difference between the inside and outside of the car. Just open the window to equalize the temperature inside and outside the car. 3. Turn on the air circulation system: Almost all modern cars are equipped with an air circulation system, which can serve as a ventilation system. If you notice fog on the front windshield of the car, you can turn on this system. Be sure to turn on the external circulation system to effectively defog.
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How Long After Waxing Can a Car Be Exposed to Rain?

After waxing your car, it can generally be exposed to rain once the wax has dried, which usually takes about half an hour. Here are some precautions to consider when using car wax: 1. Choose the right type of wax: Selecting a high-quality wax from the vast array of products on the market is crucial. It's advisable to opt for reputable brands to ensure optimal protection for your car's paint. 2. Pay attention to the waxing location: If you're doing it yourself, choose a spacious and clean area for ease of operation. If you're taking your car to a detailing shop, ensure the environment is suitable, preferably opting for a professional auto detailing and care facility. 3. Understand the frequency and timing of waxing: Generally, new cars don't require waxing immediately. Assess your car's surface based on your driving conditions and other factors to ensure the waxing is effective.
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Why is there an alarm sound when opening the car door after the engine is turned off?

There is an alarm sound when opening the car door after the engine is turned off because the lights are on, the light switch is not in the automatic position, or the car key is still left inside the vehicle. Below are some precautions regarding the vehicle when the engine is turned off: 1. Turn off the air conditioning: If the air conditioning continues to be used after the engine is turned off, it will greatly affect the battery's lifespan, as the battery power will deplete quickly. Over time, this can lead to battery depletion or difficulty starting the engine. Additionally, using the air conditioning after turning off the engine or not turning it off before shutting down the engine means the engine will start with the air conditioning running, increasing the burden on the engine and reducing its lifespan. 2. Disconnect external devices: After the vehicle is turned off, always remember to disconnect external devices. For example, if there is a dashcam or air purifier in the car, make sure to unplug them after turning off the engine. Otherwise, if the car is not driven for a long time, it will lead to prolonged power consumption, causing battery depletion, and you may need a jump start before the next drive.
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