···
Log in / Register

What to Do When the Rearview Mirror is Unclear on Rainy Days?

4 Answers
McAdrian
09/07/25 6:28am
Solutions for unclear rearview mirrors on rainy days are as follows: Use Soapy Water: Apply soap on the rearview mirror. When rainwater hits the mirror, the water droplets will slide off on their own. Therefore, drivers no longer need to worry about the rearview mirror being unclear due to water. Install Rain Guards: On rainy days, cars equipped with rain guards do not have to worry about the rearview mirror being unclear due to water droplets obstructing the view of the road behind. Apply Waterproof Stickers: Applying a waterproof film to the rearview mirror can solve the problem of unclear rearview mirrors on rainy days. Additionally, the waterproof film can be used continuously and is very affordable.
Was this review help?
10
4
Share
DiDakota
09/19/25 5:38am
I've got plenty of experience with blurry rearview mirrors on rainy days. Back when I drove an old car, heavy rain would leave me completely helpless. Now I've figured out a few practical tricks: rub a bar of soap in circles on the mirror surface, let it dry, then wipe it off with a dry cloth to create a hydrophobic layer. I always keep half a bottle of diluted dish soap in the car - spraying some on and wiping it when the rain gets heavy gives about 30 minutes of clarity. The heated mirror function is an absolute game-changer; I specifically chose a car with this feature when buying. Once activated, water droplets roll right off. As a last resort, you can crack the window open slightly and quickly wipe the mirror with your hand, but remember to slow down first for safety. I've tested all these methods, and the most crucial thing is still to drive slower in the rain and leave enough reaction distance.
Was this review help?
12
4
Share
Expand All
AxelLee
09/19/25 5:40am
I've modified my car's rearview mirror with a rain-resistant film, a transparent sticker film bought on Taobao for just a few dozen yuan, which can be easily applied by yourself. This film works similarly to the lotus leaf effect, causing rainwater to slide off immediately without sticking, and it lasts much longer than rain repellent sprays. I've also used rain repellent sprays before, where one application lasts about two weeks, but you have to be careful not to spray it on the car paint. Once during a heavy rainstorm, I discovered that turning on both the rearview mirror heating and the window defogger simultaneously doubles the effectiveness, possibly by reducing the humidity inside the car. Here's a lesser-known tip: slightly adjusting the rearview mirror angle downward reduces the surface area where rainwater can accumulate. These methods are all low-cost but can significantly improve driving safety in rainy conditions. I highly recommend giving them a try.
Was this review help?
14
1
Share
Expand All
LeAlaina
11/02/25 6:01am
Many new cars now come equipped with streaming media rearview mirrors, which offer significant advantages in rainy weather. I've test-driven vehicles with electronic mirrors where the cameras feature hydrophobic coatings, maintaining clear images even during heavy rain. For older cars, adding small convex mirrors can reduce blind spots and prevent fogging. Don't forget to activate the rear window defogger button, as it works better when combined with the air conditioning's dehumidification function. When parking, folding the mirrors and then unfolding them can shake off accumulated water. It's crucial to note that the mirror heating function needs to be activated 5 minutes in advance to be effective. Combining these methods can essentially solve visibility issues during rainy conditions.
Was this review help?
9
1
Share
Expand All
More Forum Discussions

Can I still drive if my motor vehicle has been deducted 12 points?

Deducted 12 points cannot drive. The reason is that if you are deducted 12 points, your driver's license will be revoked. If you are caught driving on the road, your vehicle will be detained, and the traffic management department of the public security organ will impose a fine of not less than 200 yuan but not more than 2,000 yuan, and may also detain you for up to 15 days. The following is the extended information: Deducted 12 points at one time: If you are deducted 12 points within a scoring cycle (12 months), the driver must participate in the study of road traffic safety laws, regulations and related knowledge within 15 days of receiving the notice, and take the subject one test within 20 days after the study. If the subject one test is passed, the points will be cleared and the motor vehicle driver's license will be returned; if the test is failed, the driver will need to continue to participate in the study and test. Deducted 12 points twice: If you are deducted 12 points twice within a scoring cycle (12 months), the driver must not only take the subject one test, but also participate in the subject three test (road test).
9
3
Share

What does drive-mode mean?

drive-mode refers to the driving mode of a car. Below is relevant information about drive-mode: drive-mode button: The drive-mode button in a car refers to the driving mode selection button, which can be used to switch driving modes. You can switch to the appropriate driving mode via this drive-mode button. The following 3 driving modes can be selected: ECO (Economy) mode, NORMAL (Standard) mode, and SPORT mode. Types of drive-mode: Generally, there are 3 modes: ECO (Economy) mode, NORMAL (Standard) mode, and SPORT mode. The car's ECO mode is an energy-saving mode. When activated, the vehicle operates in an economical driving mode, with the vehicle's computer controlling fuel injection and the transmission control module adjusting shift logic to ensure the most economical driving. Fuel consumption is effectively reduced compared to normal driving mode. NORMAL (Standard) mode is the default mode, ensuring better fuel economy without sacrificing power. In this mode, the throttle response is balanced, offering simpler and more comfortable handling, making it easier to drive. SPORT mode is a performance-oriented mode. When activated, the electronic control unit increases engine RPM, ensuring the car maintains sufficient torque for quick acceleration and deceleration.
18
4
Share

What are the consequences of adding 92 gasoline to 95 gasoline?

Engine knocking is the consequence of adding 92 gasoline to 95 gasoline. 95 gasoline is suitable for engines with high compression ratios. If a high-compression engine uses 92 gasoline, abnormal combustion will occur. Gasoline is a mixture, and the chemical composition of the two is relatively similar in various aspects, with strong anti-knock properties. To ensure vehicle safety, it is recommended to use them separately. The difference between 92 and 95 gasoline lies in their octane ratings and quality levels. The specific details are as follows: Different octane ratings: 92 gasoline contains 92% isooctane and 8% n-heptane. 95 gasoline contains 95% isooctane and 5% n-heptane. Different gasoline quality levels: The gasoline grade represents the octane rating of the fuel. A higher grade indicates a higher octane rating, which means better anti-knock performance. This allows the car's engine to run more smoothly, reduces wear and tear, and provides better protection for the engine. It is recommended that vehicles requiring lower-grade gasoline will not be damaged if higher-grade gasoline is accidentally added. However, the increase in octane rating will alter the ignition point of the fuel, leading to delayed combustion in the engine. This results in reduced engine power and thermal efficiency, with the actual feedback being poorer performance. Using lower-grade gasoline in vehicles requiring higher-grade gasoline can cause engine knocking. This is because the octane rating is too low, and the lowered ignition point causes the gasoline to ignite prematurely during the compression stroke. If the gasoline ignites before the spark plug fires during the compression stroke, resistance will occur during the upward stroke. This resistance makes the engine run very unstably. If the knocking is imperceptible, it only increases noise and does not significantly damage the engine. However, if the knocking is noticeable, it indicates severe engine conditions. The vibration not only affects driving stability but also causes abnormal wear on the pistons and cylinders, and in severe cases, can lead to cylinder scoring. If you accidentally mix or add the wrong grade of gasoline, you can return to normal by refueling with the correct grade next time. Some car owners believe that using higher-grade gasoline can improve performance, but this is unnecessary. If the engine's compression ratio does not meet the standard, even the best gasoline will not make a difference. At most, it may reduce carbon emissions and clean the engine slightly.
9
1
Share

Why is the Blue License Plate Tesla Called 'Leek'?

The reason why the blue license plate Tesla is called 'leek' is: the price was not only expensive at that time, but it also didn't have a new energy license plate. The relevant introduction about Tesla is as follows: 1. Appearance: The front face design of Tesla is exceptionally minimalist. Compared with the front face design of traditional cars, the air grille is minimized, highlighting the brand logo more. After canceling the large-area air grille, the overall look becomes more high-end and elegant. 2. Rear: There is not much special design on the rear of Tesla. The contour is as low as possible, which is a common hidden wheel design, but lowering the rear will produce strong low pressure, which has a certain impact on high-speed driving.
9
4
Share

What Causes Engine Shaking and Unstable Idling?

Engine shaking and unstable idling are mainly caused by: 1. A dirty or clogged air filter that has not been replaced in time. Over time, carbon deposits and oil sludge can accumulate in the throttle body, idle valve, and intake ports, leading to clogging and obstructed air intake, which affects idle stability and causes shaking. Solution: Inspect and clean the mentioned parts with a cleaning agent without disassembling them. 2. Clogged fuel injectors. The fuel injectors in electronic fuel injection vehicles are crucial components for fuel delivery, with a long service life that can reach hundreds of thousands of kilometers. However, gum deposits in gasoline can clog the injector nozzles, causing inconsistent fuel delivery among injectors, uneven cylinder operation, and engine shaking. Solution: Remove and clean the injectors.
10
5
Share

What are the rules for self-selecting license plate numbers in Beijing?

Beijing's license plate numbering rules for the last 5 digits are as follows: 1. Rule 1: The first 4 digits can only have 1 English letter, which can be freely positioned among the 4 digits, while the other 3 digits must be numbers. Additionally, for vehicles with suburban plates, the selected letter must be between "N" and "Z", as letters "A" to "M" were already used in previous numbering systems. 2. Rule 2: The 5th digit must be a number, not a letter. More details about online number selection are as follows: 1. Rule 1: Considering network pressure, after successful login verification, the vehicle owner must complete the self-selection within 20 minutes. If the selection is not completed within the time limit, the system will automatically terminate the process, and the owner will need to log in again to restart the online selection, which can be done multiple times without limitation. 2. Rule 2: The selected number is reserved for 3 working days. After this period, the number will not be retained and will be randomly returned to the license plate resource pool. During this time, vehicles that have successfully selected a number online are not allowed to re-select or modify the submitted information via the internet.
11
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.