Toyota 2004 Matrix Owner's Manual page 110

If the indicator or buzzer comes on...
(h)
or
(i)
(j)
(k)
(l) Key reminder buzzer
(m)
Light reminder buzzer
*: This symbol equipped only on vehicles
sold in Canada.
92
'04 MATRIX_U (L/O 0307)
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.
Add washer fluid.*
Remove key.
Turn off lights.
Do this.
2004 MATRIX from Oct. '03 Prod. (OM12861U)