How do you fix a broken car mirror? (video)
How do I cover a cracked mirror?
How do you glue a car side mirror?
Your best bet is an epoxy glue for car side mirrors or any other glue or adhesive that's labelled for use on mirrors, such as an automotive silicone mirror adhesive. Silicone adhesives are a good choice due to their strength and elasticity. via
Is a cracked wing mirror illegal?
Damaged or missing wing-mirrors
Although it may not result in a direct fine, driving with a broken, missing or cracked wing-mirror can result in your vehicle being pulled over by the police. via