How do you open a rear view mirror on a 2002 Buick rendezvous?

To open the rearview mirror on a 2002 Buick Rendezvous, locate the adjustment lever or tab at the base of the mirror. Gently pull or slide the lever to release the mirror from its mount. If you need to access wiring or features like auto-dimming, you may need to unscrew the mounting bracket from the windshield. Be cautious to avoid damaging the glass or the mirror itself during this process.