Toyota Matrix 2008 Manual page 106

If the indicator or buzzer comes on...
(h) or
(i)
(j)
(k)
(l)
(m)
(n)
106
'08 MATRIX_U (L/O 0706)
Take vehicle to Toyota dealer.
If brake system warning light is also on, stop immediately and contact Toyota dealer.
Close all side doors, back door and glass hatch.
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.
2008 COROLLA MATRIX from Aug. '07 Prod. (OM12B26U)
Do this.