
This issue varies from person to person. The effectiveness and function of blind spot mirrors differ depending on their placement. The specific details are as follows: For the left rearview mirror: 1. Attached at the bottom outermost position: Mounting the blind spot mirror here allows visibility of the car's rear wheels, providing significant assistance during parking by reducing blind spots and enhancing convenience when reversing. 2. Attached at the top outermost position: Placing the blind spot mirror here expands the view of vehicles behind, broadening the driver's field of vision during daily driving, making it a comfortable position. For the right rearview mirror: 1. Attached at the bottom innermost position: Mounting the blind spot mirror here enables visibility of the car body's direction when reversing into a parking space, making it easier to distinguish between the car body and roadside flower beds. 2. Attached at the bottom outermost position: Positioning the blind spot mirror here allows observation of the rear wheels, facilitating better judgment of reversing distance. 3. Attached at the top outermost position: Placing the blind spot mirror here increases the driver's field of vision, providing more intuitive distance judgment during overtaking and lane changes.

After driving for so many years, I've used blind spot mirrors several times. Honestly, I find the most reliable position is sticking them on the lower outer side of the rearview mirror. Once adjusted to the right angle, it perfectly shows the rear wheel position. Remember to clean the rearview mirror before sticking it, otherwise it won't adhere well. I usually stick it on and then sit back in the driver's seat to check the angle, making sure I can see the distance between the rear wheel and the curb. This way, I worry less about scraping the rims when reversing or parallel parking. Although the field of view is smaller than the main rearview mirror, it effectively covers the blind spot. The key is not to stick it too close to the center, as that could obstruct the normal rearview mirror's view. After installation, drive for a few days to get used to it. If it doesn't feel right, you can still adjust its position before the adhesive fully dries. When it comes to driving, leaving some extra room is always safer and more convenient.

When I first started driving, I was all thumbs too. My friend specifically told me to stick the blind spot mirrors at the outer lower corners when teaching me how to install them. After trying it out, it really works: stick it at the bottom left corner for the left mirror and bottom right for the right mirror, which basically covers the wheel area. Before sticking, wipe the mirror surface clean with a damp cloth, and wait until it's dry to attach it more securely. When reversing into a parking space, focus on the position of the white lines in the small round mirror, and you'll gradually get a sense of distance. For a newbie like me who isn't smooth with steering, checking it before changing lanes can also give a glimpse of the traffic behind. Just be careful not to stick it too close to the edge of the mirror, as it might get blown off by the wind at high speeds—that would be embarrassing. Now, I've gotten into the habit of glancing at the small round mirror before driving every time, feeling like it's an extra layer of safety.

I've experimented with blind spot mirror installations on modified cars several times. After trying different positions, the outer lower corner is indeed the most reasonable—the inner lower corner blocks the main view, while the upper edge can't capture the wheels. Once, while helping a fellow car enthusiast install one, we first peeled off the protective film to test the positioning, holding the mirror with our fingers to simulate various angles. It turned out that after sticking the mirror to the outer bottom of the rearview mirror, a slight twist of about 15 degrees brought the rear wheel into view. There are indeed slight variations between different car models: station wagons can have the mirror positioned slightly higher, but for most family cars, the outer lower corner works universally. Cleaning the mirror surface with alcohol ensures the strongest adhesion, and any fine adjustments should be made while the adhesive is still wet. After installation, checking the small round mirror while reversing into a parking spot provides a more intuitive guide than the rearview camera.


