What brand is the R car?

Is 16GB sufficient for a dash cam?

A 16GB memory card is generally sufficient for a dash cam. Most dash cams on the market support MicroSD cards with a maximum capacity of 32GB, with the mainstream options being 8GB, 16GB, and 32GB. 1080P resolution is essentially the standard for dash cams. Taking an 8GB memory card as an example, it can store up to 180 minutes of 1080P video, which is barely adequate. Therefore, memory cards below 8GB have largely become obsolete. Dash cams typically record in a loop, automatically overwriting the oldest footage when the TF card is full. This feature usually requires no manual configuration. In other words, when the dash cam's memory storage is full, it will automatically overwrite the oldest recordings. Dash cams allow users to set the duration of video clips, with common options being 1, 3, 5, 10, or 15 minutes. Most users opt for 3 or 5-minute clips, as this results in moderately sized files.

4

Share

What is the difference between 16-inch and 17-inch wheels?

16-inch and 17-inch wheels differ in the following aspects: Size difference: 17-inch wheels are larger than 16-inch wheels. Aspect ratio difference: Generally, larger car tires have a lower aspect ratio, so 17-inch wheels have a smaller aspect ratio compared to 16-inch wheels. Shock absorption capability difference: 16-inch wheels have thicker sidewalls, providing better shock absorption on bumpy roads than 17-inch wheels. However, 17-inch wheels offer more responsive handling at high speeds but transmit stronger road feedback on uneven surfaces with weaker shock absorption. Tire blowout probability difference: In case of a tire blowout, 17-inch wheels' larger diameter results in less body tilt, reducing the likelihood of sudden directional changes, thus making them less prone to blowouts.

1

4

Share

How to Solve Only NO Exceeding the Standard?

If the NO level in the exhaust gas is significantly exceeded, the first step is to clean the cooling system and the heat dissipation system, and even flush the lubrication system. Here are some related introductions about exhaust gas: Control the flow rate of the cleaning agent: The flow rate of the cleaning agent should be controlled to the point where the engine idles with slight vibration as the optimal condition. If the engine vibrates severely during the cleaning process, immediately reduce the flow rate of the cleaning agent. Some 4S shop technicians, aiming for speed, inject the cleaning agent into the engine at a high flow rate, which not only damages the engine but also reduces the cleaning effect. Cleaning of the three-way catalytic converter: The three-way catalytic converter should be cleaned and maintained every 30,000 kilometers, and those with the means can clean it every 10,000 kilometers. Under normal maintenance conditions, the service life of the three-way catalytic converter is between 150,000 kilometers and 200,000 kilometers before replacement is needed.

10

5

Share

Why Won't a Motorcycle Engine Start When Cold?

Typically, this is caused by insufficient cylinder pressure due to cold weather reducing the performance of the engine oil. Other reasons why a motorcycle won't start include: Fuel system faults: Mainly caused by issues with the fuel switch (not delivering fuel), fuel filter (blockage), carburetor (not delivering fuel or overly rich mixture), or bent fuel lines. Electrical faults: Short circuits in electrical components (e.g., ignition switch, ignition coil, ignition module, or magneto failure) or open circuits caused by loose wiring harness connectors. Air pressure faults: Insufficient cylinder compression, improper air filter element resistance, or engine intake/exhaust faults, among others.

16

5

Share

Why is the car cigarette lighter not working?

The reason the cigarette lighter is not working could be due to contact issues or damage to the cigarette lighter socket. Here are the relevant details: Contact Issues: Due to prolonged use and repeated insertion and removal, the spring clip may become loose, preventing the cigarette lighter from receiving power. You can first test it with a household appliance to check if it's functional. Use a multimeter to test the contact surface by setting it to the continuity test mode. Damaged Power Plug: Repeated plugging and unplugging or improper use may cause a short circuit, blowing the fuse. Check if there is a 12V voltage output. If 12V is present, it indicates the circuit is functioning properly.

14

5

Share

What are Passive Safety Features in Cars?

Passive safety features are the safety configurations designed to minimize injuries to occupants after an accident occurs. Automotive passive safety devices refer to safety equipment that aims to reduce bodily harm as much as possible following a traffic collision, including protections for both passengers and pedestrians, such as airbags and child safety seats. Although passive safety devices cannot prevent or avoid accidents, they can significantly mitigate the severity of personal injuries when a collision happens. Common passive safety features include: airbags, seat belts, anti-collision steel beams, and head-neck protection devices. Among passive safety devices, the vehicle body structure serves as the primary safety foundation, while seat belts are the most crucial component. Of course, fastening seat belts upon entering the vehicle is the most fundamental safety action and awareness, and also the most important. Precautions for using airbags: Airbags should be used in conjunction with seat belts; maintain an appropriate distance from the airbag while seated; do not place objects in front of, above, or near the airbag; avoid high temperatures, and components of the airbag system should be properly stored; do not modify the airbag system or its surrounding layout without authorization; airbags are single-use products, each can only be deployed once.

1

4

Share

What brand is the R car?

Is 16GB sufficient for a dash cam?

What is the difference between 16-inch and 17-inch wheels?

How to Solve Only NO Exceeding the Standard?

Why Won't a Motorcycle Engine Start When Cold?

Why is the car cigarette lighter not working?

What are Passive Safety Features in Cars?

Will points be deducted if there is no fire extinguisher in the car?

How to Master Left and Right Distance While Driving?

How Many Times Can You Take the Subject 3 Test?

Precautions for Using Vehicle Fire Extinguishers