Remove Heater Control Assembly
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
Using a screwdriver, release the 2 claws and pull out the control switch assembly, then disconnect the connector.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NOTE:
Tape the screwdriver tip before use.