Toyota 2006 Rav4 Owner's Manual page 139

If the indicator or buzzer comes on...
(p)
(q)
(r) Key reminder buzzer
'06 Rav4_U (L/O 0601)
Add washer fluid.
Replace engine oil.
Remove key.
Do this.
2005 RAV4 from Jan. '06 Prod. (OM42620U)
129