2003 Toyota Tacoma Owners Manual - Page 120
2003 Toyota Tacoma Manual
Page 120 highlights
'03 Tacoma U (L/O 0209) If the indicator or buzzer comes on... Do this. Take vehicle to Toyota dealer immediately. (h) (i) Shift front drive control lever out of "N". (j) Stop and check. (k) Add washer fluid. (l) Key reminder buzzer Remove key. 120 2003 MY TACOMA (OM35800U)