It may be an issue with how the side mirror position settings are linked to a particular key fob. Try un-linking the key fob from all the memory positions to see if this helps solve the issue.
Instructions below on how to link and unlink key fobs from memory positions.
View attachment 131895
Referencing my previous post. I also had this issue, but once I un-linked both key fobs from all three memory positions, I haven't had this issue.