My side mirror was broken when someone tried to walk between my car and theirs in a tight parking lot. The bracket on the exterior is stripped/broken so that the bolts will not hold it to the door. (duct tape to the rescue, temporarily!) I've found a few dealers who sell parts online, but they will not respond to my questions: 1) If my glass is not broken, do I need to order new glass with the new mirror assembly? If not, how do I remove the glass to install it on the new mirror assembly? 2) Do all Mazda 6 mirrors have the blind-spot monitor, because I don't see it as a feature with any of the replacement mirror assemblies? Maybe a wiser question is, should I try to replace the mirror myself, or just pay a dealer to do it?