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"...cool looking..." or not, I have 2-inch, round, spot mirrors on ALL my vehicles (apart from my early, 1966 Excalibur roadster). I use the black-rimmed, non-adjusting at the outside/bottom corner. These are available at many parts houses, but now seam to take a little looking since some are only carrying the faux chrome-rimmed.
For me, these are a necessitated purely based on function, looks being irrelevant. I cannot see well enough to the left side in either my C5 or C7 and don't care that they may not be cool; they work. Sorry, I'm not where I can take and post pix at the moment. If no one does so tomorrow (Friday) and you want such do let me know then.
Does anyone make some cool looking mirrors that look like they should be there. Not like the round ones.
Hmm, "form follows function!" If they do the job, IMO looking cool is not an issue!
I like the small oval mirror I have on my Grand Sport that is the same as I had on my 2014 C7. See pic.
Before someone posts that they aren't needed, I have set my mirrors per the SAE mid '90's tech paper soon after it was published. Never felt they were needed in my, '88, '93 and C6 Vette as there was good visibility of the rear in the center mirror.
The C7 has much less rear visibility needed to follow cars before they get to your rear fender (as defined in that SAE paper!) My Grand Sport with Stage 2 aero rear spoiler side extensions is even worse, almost as bad as a Vert with the top up! IMO, needed for defensive driving as define by that same tech paper that said "set your mirrors by placing your head on the widow, etc etc!"
^^^
Not exactly the same but put, "Utopicar blind spot mirrors" in Amazon. Indicates these are adjustable as to angle and have 3M adhesive so should work fine, IMO.
Been doing it, "as you say right" from mid 1990's when the SAE tech paper discussed putting your heard on the widow etc, an much more! It was talking about defensive driving and finding cars that will soon be on your rear fender before they get their!
It was a multi-page paper and know today folks prefer an answer in 140 characters!
In fact since a picture is worth a 1000 words folks have tried to condense that mutli-page paper into a graphic. However some folks looking at it DON'T read even the 140 characters on the right! They look at the pictures but really don't understand what they state!
You have to follow cars from the center rear view mirror as they go into the side mirrors. With a restricted rear view can't do that properly! Never felt the need for the extra convex small mirror in my 1988, 1993 or my C6 Vette coupes. They had reasonable good rear vision! The C7 does not!
Read words in red. The grayed area in top pic was made by me. It represents the ~restricted view in a C7!
It seems that a "blind spot" related thread pops up here every week. I personally don't think the C7 has a blind spot if the mirrors are adjusted properly, but I also don't think that my Chevy trunk has a blind spot, but it has the small convex mirrors built in. I know that other GM vehicles have them. As this is a popular topic I suspect that the C8 will... or have some type of detection warning device.
OP, just google "small convex mirror." There are countless stick-on type mirrors available in various shapes and sizes.
Today's automobiles are designed with the worst rear vision ever. Mirrors help but cannot overcome a poor design.
Have not had an accident with another vehicle in 55 years of driving! Attribute that to 1) luck and 2) folks who taught me to drive and to know where all cars are around me at all times. That is especially important if driving more aggressively, which I do!
This is an example of there the small convex mirrors are needed, especially in my Grand Sport with the spoiler extensions on the Stage 2 aero package-rear view through the center mirror is almost as bad as a Vert with the top up!
Diving the 16 miles into town on I95, I use the center lane going 77 mph on cruise control, below where a Trooper going the other way will stop me when he blips his radar, which they do and I detect! Folks coming from up north are barreling down in the left lane, some at 90 mph! If I find and 18 wheeler tire tread in my lane I have to know if I can go into the left or right lane quickly. It's important that I know "if someone going much faster will be on my rear fender!" Had that happen and instantly moved to the left lane since I knew no one was barreling down! Saved my !$1500 splitter an possibly other damage.
Cars and my modified S10 when between my 5 Vettes did not need the small mirror because I had a good view in the center mirror. IMO, the C7 does-but to each their own!
The biggest issue with the C7 is the blind spot on the driver's side. I have my mirrors adjusted correctly and still have issues finding a car in the lane left of me. Particularly hard to find are cars that are riding alongside the rear quarter of the car out of sight of the center mirror. After a couple of close calls I now turn my head to look to the side so I can see if there is a car in the lane next to me. I don't have to do that with my other vehicles as I can clearly see the lane next to me. Of course both of those have larger mirrors which provide a much wider field of view.
I always do a quick head check before changing lanes. It's an ingrained habit at this point. Probably because many of the cars I have owned in the past have had terrible blind spots. But I don't consider the C7 to have a particularly bad blind spot, since the small triangular windows behind the main windows are strategically placed to allow viewing that area.
I'm with Jerry on this one. I prefer to err on the side of caution and have a round 2" convex on driver's side, I'd rather see too much than too little. But I've only been driving for 50 years. But unlike Jerry, I had 7 speeding tickets and one accident when I was 16, had to learn the hard way...
I'm with Jerry on this one. I prefer to err on the side of caution and have a round 2" convex on driver's side, I'd rather see too much than too little. But I've only been driving for 50 years. But unlike Jerry, I had 7 speeding tickets and one accident when I was 16, had to learn the hard way...
I learned the hard-way myself. I got 3 in one day when I was about 20 years old.
Have not had an accident with another vehicle in 55 years of driving! Attribute that to 1) luck and 2) folks who taught me to drive and to know where all cars are around me at all times. That is especially important if driving more aggressively, which I do! 
