line on driver side mirror, what the heck is this?

Dasbecan Door Mirror Assembly Left Driver Side Compatible with Honda Civic 2016-2021 Power Glass, Non-Heated, Manual Folding

Replace® HDM010070R - Passenger Side View Mirror (Non-Heated) (Standard Line)

Strange wiring for Driver side mirror

Sorento 2015+ LH driver side mirror Silver NEW

Driver crossed the yellow line and took out my mirror, never stopped. Glass to the face and now have to buy another whole set for $300 : r/f150

Driving Test: When to Check Your Mirrors

Drivers are just realizing we've all been adjusting our side view mirrors wrong - you need to use the green/red trick

Tailgate Topic # 16 – Adjust Your Mirrors!

2021 F150 platinum driver side mirror - thin black line around the outer edge ?, F150gen14 -- 2021+ Ford F-150, Tremor, Raptor Forum (14th Gen)

2006 Dodge Ram Driver Side Manual Door Mirror

What's the purpose of the black line on the left of the mirror? : r/whatisthisthing

Sorento 2015+ LH driver side mirror Maroon NEW

line on driver side mirror, what the heck is this?

What are the symbols on my side view mirror? – Side View Parts