Toyota Sienna 2007 Operating Manual page 201

If the indicator or buzzer comes on...
(h) or
(i)
(j)
(k)
(l)
(m)
(n)
192
07 SIENNA_U (L/O 0612)
Take vehicle to Toyota dealer.
If brake system warning light is also on, stop immediately and contact Toyota dealer.
Close all doors.
Take vehicle to Toyota dealer immediately.
Take vehicle to Toyota dealer.
Adjust tire inflation pressure. If the light comes on after blinking for 1 minute, contact
Toyota dealer.
Add washer fluid.
Replace engine oil.
Do this.
2007 SIENNA from Oct. '06 Prod. (OM45437U)