Toyota Sienna 2006 Operating Manual page 516

Rear automatic air conditioning system—
—Controls
320
06 SIENNA_U (L/O 0603)
1. "AUTO" button
2. Air flow selectors
3. Temperature selector (rear)
4. Fan speed selectors
5. "OFF" button
6. "REAR" button
7. Temperature selector (front)
2006 SIENNA from March '06 Prod. (OM45443U)