···
Log in / Register

What is the optimal position for the left and right rearview mirrors of a car?

3 Answers
DelLiam
08/27/25 2:04am
The optimal position for rearview mirrors does not have a unified standard, as long as it minimizes blind spots and ensures the driver's comfort while observing. Below are the relevant introductions to the optimal positions for the left and right rearview mirrors: The position of the left rearview mirror: Place the distant horizon in the center, and adjust the left and right positions so that the car body occupies about a quarter of the mirror's surface. The position of the right rearview mirror: Adjust the horizon to the upper part of the mirror, approximately one-third of the way down, and then position the car body in the right rearview mirror on the left side of the mirror, occupying about a quarter of the entire mirror. The function of rearview mirrors: Rearview mirrors are tools that allow the driver, while seated in the driver's seat, to directly obtain external information about the rear, sides, and lower parts of the car.
Was this review help?
11
3
Share
SadieMarie
09/08/25 8:50am
When it comes to the optimal positioning of car side mirrors, I'd like to discuss it from a safety perspective. With years of driving experience, I've developed this adjustment method: first ensure a comfortable seating position with proper back support, then adjust the mirrors. I set the left mirror to show just a small portion of the car's rear end, like the rear wheel or a bit of the rear body, while covering most of the road behind. The right mirror is adjusted slightly outward to minimize the visible car body, effectively reducing blind spots - especially important when changing lanes to the right. I always test this setup on straight roads: while driving, observe approaching vehicles; if they move from the center mirror to the side mirror then disappear, it indicates remaining blind spots requiring readjustment. Additionally, make it a habit to check periodically as bumps or accidental touches may shift the mirrors. Neglecting this could lead to accidents, like missing a car during lane changes. Ultimately, this configuration maximizes visibility and significantly reduces risks.
Was this review help?
14
3
Share
Expand All
RhettRose
10/23/25 2:09am
Let me share a practical way to adjust rearview mirrors. I always settle into the driving position first, grip the steering wheel, then adjust the right mirror - usually the trickiest part. I position it to show just a sliver of my car's side, maximizing the view of adjacent lanes to minimize blind spots. This makes lane changes much more confident. For the left mirror, I set it to show the rear corner of my car and distant road, avoiding excessive downward tilt that only shows pavement. Take your time and adjust from your normal driving posture - don't lean. A good test: when a car moves from your rear window to side mirror, it should transition smoothly without disappearing. Common mistake? Showing too much of your own car - unnecessary and risky. Regular checks matter too; loose mirrors compromise safety. With proper adjustment, driving becomes noticeably smoother.
Was this review help?
14
2
Share
Expand All
More Forum Discussions

How to Perform a High-Speed Run with an Automatic Transmission?

Methods for performing a high-speed run with an automatic transmission: You need to place the gear in D mode, fully depress the accelerator for acceleration, and the tachometer will temporarily reach the red zone. After that, shift gears and repeat the process. However, the high-speed run should not last too long. Maintaining the RPM in the red zone for an extended period can increase wear and even cause overheating issues, potentially damaging the transmission. A high-speed run essentially allows a new car to test its maximum performance capabilities, but the RPM should not exceed two-thirds of the design limit. Performing a high-speed run can help clear oil passages, burn off carbon deposits, and improve future performance. The purpose of driving at a certain high speed is to break in components such as wheel axles and the main reducer, but the speed should be controlled between 100 km/h and 120 km/h. Avoid pushing the speed too high.
3
2
Share

Will an Automatic Transmission Car Move Without Pressing the Accelerator?

Whether an automatic transmission car will move without pressing the accelerator depends on the gear position: 1. If the gear is in P (Park) or N (Neutral), the car will not move whether you press the accelerator or not; 2. If the gear is in any position other than P or N, the car will move even without pressing the accelerator. For an automatic car in D (Drive) gear without pressing the accelerator, it is equivalent to a manual transmission car in 1st gear without pressing the clutch—this is the starting gear, and the car moves very slowly. For manual transmission models, this function is achieved through the clutch. When starting the car, if the accelerator and clutch are properly coordinated, the car will slowly move forward, also known as "creeping." If the clutch is released too quickly, the car will not only fail to move but may also stall.
8
4
Share

How to Determine When Brake Discs Need Replacement?

There are two main methods to determine if your brake discs need replacement: 1. Check the brake pad thickness: Most brake discs have wear indicators, which are three small dimples distributed on the disc surface. Use a caliper to measure the depth of these dimples; when it reaches 1.5mm (meaning the total wear depth on both sides of the disc is 3mm), the brake discs should be replaced promptly. 2. Listen for sounds: If you hear a metallic scraping or squealing noise when lightly applying the brakes, the brake pads must be replaced immediately. This noise indicates that the wear indicators on both sides of the brake pads are directly grinding against the brake disc, meaning the pads have exceeded their limit. In such cases, while replacing the brake pads, you should also inspect the brake discs. Often, the discs are already damaged when this noise occurs, and simply replacing the pads won’t stop the noise. In severe cases, the brake discs may also need replacement.
8
5
Share

What to Do If You Forget to Turn Off the Car Engine Overnight?

Forgetting to turn off the car engine overnight will not cause significant issues. In this idling state, the fuel consumption varies depending on the engine displacement, typically ranging from 0.5L to over 1L per hour. Therefore, even if the car idles all night, the total fuel consumption would be roughly equivalent to driving 100 kilometers. Simply refuel the next day. Below is some additional information: 1. Introduction: Idling is an operational state of a car where the engine runs in neutral gear. The engine speed during idling is called the idle speed, which can be adjusted by modifying the throttle opening. 2. Precautions: When the engine is running, releasing the accelerator pedal completely puts the engine in an idling state. Adjusting the idle speed should avoid sudden increases or decreases, as this can cause premature engine wear. It is best to have the idle speed adjusted at an auto repair shop.
6
5
Share

What Causes Frequent Coolant Loss in the Engine Radiator?

Reasons for frequent coolant loss in the engine radiator: leaks; high water temperature due to constant heavy workload; if the coolant was recently replaced, it could be due to air not being fully purged. Below are some explanations regarding high engine radiator temperatures: 1. Insufficient coolant: A lack of antifreeze in the engine cooling system may indicate leakage points, such as a water pump leak, damaged pipes, or a cracked radiator. 2. Thermostat failure: A faulty thermostat in the engine cooling system can cause excessively high water temperatures. If the thermostat fails to open, it restricts the flow of coolant within the engine, leading to overheating. 3. Cooling fan malfunction: If the cooling fan in the engine cooling system is not functioning properly, it reduces the efficiency of coolant heat dissipation. This can trigger the water temperature warning light and cause the coolant temperature to rise excessively.
11
4
Share

Where is the engine number located on the Besturn X80?

The engine number of the Besturn X80 is located in: 1. On the left side of the engine exhaust pipe, on the engine block, where it is displayed; 2. On the vehicle's driving license; 3. On the vehicle's nameplate, all of which will be marked. To check it, the driving license is the most convenient option. Taking the Besturn X80 2018 Live Edition 1.8T Automatic Luxury model as an example, its body dimensions are 4620mm in length, 1820mm in width, and 1695mm in height, with a wheelbase of 2675mm. It is equipped with a 1.8T turbocharged engine, matched with a 6-speed automatic manual transmission. The front suspension type is a double-wishbone independent suspension with a stabilizer bar, and the rear suspension type is a multi-link suspension with a stabilizer bar.
1
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.