The K-Source # KSCW2100 is an add-on to the existing mirror as shown in the provided photo. The blind spot mirror is designed to stick to the side of your factory mirror using peel and stick adhesive. The mirrors are sold in a quantity of 2. view full answer...
The replacement mirrors that fit your 2016 Kia Sportage, the K-Source Replacement Side Mirror - Electric w/ Turn Signal - Black - Driver Side # KS75018K and Passenger Side # KS75017K do not have the blind spot indicator light. These mirrors have power electric adjustment and a light on the back for the turn signals, which will work so long as your mirrors have these functions. view full answer...
The Cipa Universal Door Mount Mirror # CM45000 referenced in your question does include all the necessary mounting hardware. This universal style mirror helps to eliminate blind spots and can also be turned inward for normal driving or fitting through tight spaces. It can be used on either the driver or passenger side of the vehicle.
I have attached a short video demonstration on this product that you can also check out. view full answer...