Dual Side Mirrors: Things You Should Know

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Last Updated on 5 months by Ollie Barker

dual side mirrors

If you’re considering obtaining them, acquiring dual side mirrors is a good idea. Do you comprehend the idea of dual side mirrors and how they operate?

Well, all you need to know about this particular style of side mirror utilized in various cars is explained in detail in this post.

In a nutshell, it’s crucial to realize that automobiles with tinted rear windows must have dual side mirrors. Dual side mirrors enable the driver to see what is going on behind his or her vehicle because the rear tinted glass obscures the side’s view.

What Are Dual Side Mirrors?

You are probably correct; twin side mirrors are the same as the readily accessible side mirrors that we are all familiar with.

Installing dual side mirrors means getting side mirrors put on each side of the windshield, including the driver’s and passengers’ sides.

However, the requirement for two-side mirrors wasn’t always so prevalent. In contrast to many modern cars, adding a second passenger’s side mirror was a feature rather than a mandatory need.

That explains why discussing the purchase and installation of “dual side mirrors” these days is uncommon outside of situations requiring repair or renovation.

However, to improve the driver’s visibility while driving and cover enough blind areas behind the car, automobiles with blacked-out back windows and only the driver’s side mirror may be required to get it dual on both sides, like in my case. This is important because the tint interference has rendered the car’s rearview mirror all but useless.

The Importance of Dual Side Mirrors

Most drivers request authorization to tint their rearview mirrors to personalize their cars. As a result, it is challenging to notice what is happening behind you when driving. Drivers can see their rearview clearly on both sides, thanks to dual-side mirrors.

Additionally, the significance of dual side mirrors cannot be emphasized, particularly in today’s world where most people choose to have their cars’ windows tinted and we have wider roadways with traffic on both sides of the road.

Dual side mirrors are a must if the local authorities in your state or country permits tinted windows and you want them installed for you.

If your automobile already has two side mirrors, you’re set to go with the tinting procedure; the dual side mirror requirement is only for owners of cars with one-side mirror.

Drivers on a multi-lane road can quickly change lanes or drift to either side of the road without hitting another car. Having two side mirrors gives your automobile a more balanced and “cool” appearance. But, of course, there are several kinds of car side mirrors.

When Did Dual Side Mirrors Become Standard?

Although it did not directly call for mirrors, the National Traffic and Motor Vehicle Safety Act of 1966 addressed safety standards, including rear visibility. From the middle to the end of the 1960s, they began to be included as standard equipment.

Today’s federal regulations mandate the use of a passenger mirror in addition to an inside mirror if the latter does not fulfill certain field-of-view specifications. State laws differ, however, most states concur that side mirrors are only necessary when the center mirror is obscured. All concur that reflections show objects that are closer than they appear.

Car Side Mirror Types

There are several types of side mirrors, and despite personal taste, there are a number of elements that may impact your decision.

1. Power Side-View Mirrors

There is no need to get out of the car or even touch the side mirror to change the position of this kind of side mirror. It can be adjusted from inside the vehicle. A button for the car’s power side mirrors can be found on the dashboard or near the driver’s door. The switch displays horizontal and vertical arrows.

The side mirror(s) are adjusted horizontally when you press the horizontal arrow, and vertically when you press the vertical arrow. The dual side mirrors could be controlled by a single switch or by separate switches for each mirror.

2. Manual Side Mirrors

Older automobiles initially had side mirrors like this. Side mirrors that are manually operated must be “manually” adjusted, which requires getting out of the car.

So you wouldn’t have to get out of the car to adjust the side mirror; just reach out from the driver’s side. This is the least expensive sort of side mirror available, as you might expect.

3. Telescoping/towing Side Mirrors

Trucks frequently come equipped with towing mirrors, typically mounted next to telescoping side mirrors for clear, expansive views. These side mirror types come in several variations, albeit they are often manual.

Do Cars Always Have Two Side Mirrors?

There isn’t always a side-view mirror on the passenger side in brand-new cars from the factory. Even up until the early 1990s, you as a car owner had to pay to have it attached.

I’m convinced that cars’ design and safety requirements have evolved from what they were to what they are today. This tendency won’t stop at a single pattern, though.

Legislative rules for automakers and even us as car owners when traveling on highways greatly impacted the necessity of these numerous safety criteria in a car.

An outstanding illustration of this is the addition of a side mirror to the passenger’s side of the vehicle. However, given transportation organizations in the previous century—talk about the number of road lanes and their direction—regulators did not view this as being required.

Move ahead to the present, and dual side mirror use is still not strictly prohibited. Except in certain situations, as previously described, the driver-side side mirror and the rear-view mirror are both required.


Since dual side mirrors are now a standard vehicle component, many individuals no longer have in-depth arguments about the necessity of having them.

Dual side mirrors might be redundant soon, though, given the swift advancement of automotive technology, such as integrated sensors and AI in driving.