I'm looking for replacemnt parts of my broken driver side mirror.
Online parts ahve may options that i do not understand
example
#87940
Required: 1
GGL1#,GYL1#..JPP
OUTSIDE REAR VIEW MIRROR-*AREM & MEMORY & BLIND SPOT DETECTION,WHITE PEARL CS.,077

Can anyone please tell e what is AREM?
What is MEMORY option?
I do have blind spot detection so understand that.
How do i know if I have anti glare mirrors
Another part also mentioned camera option. Really is there a cmera in side mirrors. I dont think I have those.

thanks in advance

2013 Rx450h