What to Do When Rearview Mirrors Are Covered with Water After Rain?

2 Answers
VincentMarie
09/03/25 2:12am
Here are solutions for unclear rearview mirrors during rainy weather: 1. Rearview Mirror Heating Function: Many modern vehicles come equipped with a rearview mirror heating feature. This function utilizes embedded heating wires behind the mirror to raise the glass temperature, accelerating water vapor evaporation. 2. Install Rain Guards: Not all vehicles have heated rearview mirrors. For cars without this feature, installing rain guards is an option. These can maintain mirror clarity during light rain and keep at least one-third of the mirror visible during heavy downpours. 3. Apply Water Repellent: Water repellents primarily contain silicone oil, which alters the surface tension of glass, creating a water-shedding effect on mirrors. After application, rainwater forms spherical droplets that can be easily shaken or blown off. However, reapplication is needed every few months. 4. Use Detergent or Soap: Apply laundry detergent or soap evenly on the mirror using a clean damp cloth. After drying for several minutes, wipe off with tissue. While convenient and cost-effective, this method isn't suitable for long-term use.
Was this review help?
1
0
Share
AxelDella
09/15/25 3:58am
Oh, this is such a common issue! Having driven for over a decade, rain-covered rearview mirrors can drive anyone crazy. My go-to solution is first checking if the car has a rearview mirror heating function—most modern cars do, and pressing a button can evaporate the water droplets. If your car doesn’t have this feature, applying some hydrophobic spray beforehand is a cheap and effective fix; the water beads will slide right off. If that still doesn’t work, installing rearview mirror rain deflectors provides top-notch rain protection. If visibility becomes dangerously poor while driving, don’t force it—turn on your hazard lights, slow down, pull over safely, and wipe the mirrors manually with a cloth. Safety always comes first, especially on rainy days when roads are slippery and traffic is heavy. Make it a habit to clean your rearview mirrors during car washes to prevent grime buildup that can cause fogging. In short, don’t let this minor issue ruin your entire trip.
Was this review help?
3
1
Share
Expand All
More Forum Discussions

What is the protruding part under the Encore chassis?

The protruding part under the Encore chassis is the lower control arm on the bracket, which is used to protect the crossbeam and the exhaust pipe. The chassis refers to the combination of the transmission system, running system, steering system, and braking system of the car. It supports and installs the car engine and its various components and assemblies, forming the overall shape of the car, bearing the engine power, and ensuring normal driving. Taking the 2021 Encore as an example, it belongs to a small SUV, with body dimensions of: length 4295mm, width 1798mm, height 1616mm, wheelbase of 2570mm, fuel tank capacity of 40l, and curb weight of 1285kg.
4
5
Share

What type of oil should be used for the eighth-generation Accord?

The eighth-generation Accord uses 5w40 oil. The method for changing the oil is as follows: 1. Lift the car, remove the undercover, and place a container under the oil drain plug; 2. Unscrew the oil drain plug, use an air gun to blow into the oil filler port for two minutes, then tighten the drain plug after the oil has completely drained and wipe it with a tissue to check for leaks; 3. Reinstall the undercover, lower the car, and add oil through the filler port. The eighth-generation Accord is a mid-size sedan with body dimensions of 4945mm in length, 1845mm in width, and 1480mm in height, a wheelbase of 2800mm, and a fuel tank capacity of 70 liters. It is equipped with a 2.4L naturally aspirated engine, delivering a maximum power of 180kW at 6500 rpm.
20
4
Share

Will using 92 octane gasoline in a car designed for 95 octane have any impact on the vehicle?

Using 92 octane gasoline in a car designed for 95 octane will have an impact, as the engine compression ratios for these two fuels are different. 95 octane gasoline is suitable for vehicles with higher engine compression ratios. If such a vehicle uses 92 octane gasoline, it may cause engine knocking. It is best to use the gasoline that matches your car's requirements. 92 octane gasoline contains 92% isooctane and 8% n-heptane, while 95 octane gasoline contains 65% isooctane and 5% n-heptane. From a chemical composition perspective, a higher isooctane content indicates better anti-knock performance. Therefore, the main difference between 92 octane and 95 octane gasoline lies in their anti-knock properties. Note that if a car that normally uses 95 octane gasoline occasionally uses 92 octane, it may be acceptable once or twice. However, prolonged mixed usage can lead to engine knocking, resulting in weak engine power output and loud, metallic knocking sounds during driving. In such cases, the engine condition should be checked immediately. Additionally, using 92 octane gasoline in a car designed for 95 octane can increase carbon deposits in the engine. Under the same conditions, 92 octane gasoline produces 0.0154g of carbon deposits, while 95 octane gasoline produces 0.0117g. Although the difference is only 0.0037g, prolonged use can lead to increased carbon deposits. Moreover, the engine is not optimized for different octane ratings, and severe cases may even clog the fuel system.
20
3
Share

What is the fuel tank capacity of the Soueast V3 Lingyue?

The fuel tank capacity of the Soueast V3 Lingyue is 50 liters. Here is some additional information: 1. Introduction: The V3 Lingyue is a significant sedan launched by Soueast Motors in 2008. It is not a joint venture brand model but a genuine independent brand vehicle. 2. Exterior: It features the optimal chassis developed on the same platform as the Mitsubishi Evo racing car, paired with large side skirts for aerodynamic disturbance. Despite its lightweight body, it boasts a low drag coefficient of just 0.29. It effectively directs unstable airflow to the sides of the vehicle, creating a near-vacuum state under the car, enhancing ground adhesion and improving high-speed driving stability.
2
1
Share

How to check tire pressure on the Envision?

The method to check tire pressure on the Envision is: The Envision comes standard with a tire pressure display function across all models, allowing you to directly view the tire pressure on the instrument panel. Taking the 2021 Envision as an example, it is a midsize SUV with body dimensions of: length 4694mm, width 1839mm, height 1686mm, a wheelbase of 2750mm, and a curb weight of 1610kg. The 2021 Envision features a MacPherson strut front suspension and a multi-link rear suspension. It is equipped with a 1.5T turbocharged engine, delivering a maximum horsepower of 169ps, a maximum torque of 250Nm, and a maximum power of 124kW, paired with a 7-speed dual-clutch transmission.
18
1
Share

How to set the time on an Audi A6?

Audi A6 sets the time by: 1. Start the Audi A6 car and turn on the vehicle display screen, select 'My Vehicle'; 2. On the vehicle display screen, select the main menu content, click on 'Time and Date'; 3. Manually modify the time numbers on the car display screen. Taking the 2021 Audi A6 as an example, it belongs to the mid-to-large-sized car category, with body dimensions of: length 5038mm, width 1886mm, height 1475mm, and a wheelbase of 3024mm. The 2021 Audi A6 is equipped with a 2.0T turbocharged engine, with a maximum horsepower of 190PS, a maximum power of 140kW, and is matched with a 7-speed dual-clutch transmission.
20
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.