Q: Is the surface of the mirror plastic or glass? 

A: The mirrors surface is glass.

Q: How do I clean the mirror?

A: Any glass cleaning material is sufficient, such as Windex.

Q: Is tint laid over the glass or is the structure design integral to the operation?

A: The structure design is integral in the mirror-tinting mechanics. The mirror is build from two pieces of glass and liquid crystalbetween the two glasses. Very similar to anyTv LCD and Laptop LCD.