Tesla will charge you 150 to send out a technician to fix the smell.
You can do it yourself for under 20 dollars. Just buy this AC cleaner. It is the same stuff Tesla uses.
https://www.oreillyauto.com/detail/c/kool-it/lubegard-kool-it-hvac-system-cleaner/lbga/96030?q=Ac+cleaner&pos=4