How do you install rear speakers in a 2006 Monte Carlo?

To install rear speakers in a 2006 Monte Carlo, first, remove the rear seat and side panels to access the speaker locations. Disconnect the existing speakers and remove them by unscrewing or unclipping them from their mounts. Connect the new speakers to the wiring harness, ensuring the positive and negative terminals are matched, and secure them in place. Finally, reassemble the rear seat and side panels.