Toyota 2007 Matrix Owner's Manual page 116

If the indicator or buzzer comes on...
(h)
or
(i)
(j)
(k)
(l)
(m)
(n)
106
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 and turn off warning light by pushing reset switch for a
few seconds. If warning light remains, contact Toyota dealer.
Add washer fluid.
Replace engine oil.
Do this.