Toyota 2006 4runner Owner's Manual page 283

Controls (with "DUAL" button)
'06 4Runner_U (L/O 0508)
1. Fan speed selector
2. Temperature selector
(at the independent mode: for driver)
(at the linked mode: for driver and
front passenger)
3. "AUTO" button
4. "DUAL" button
5. Temperature selector
(for front passenger)
6. Air flow selector
7. Air intake selector
8. "A/C" button
9. "OFF" button
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