2006 Toyota Tacoma Owners Manual - Page 573
2006 Toyota Tacoma Manual
Page 573 highlights
06 01.06 Service reminder indicators and warning buzzers If the indicator or buzzer comes on...Do this. (a) (indicator and buzzer) If parking brake is off, stop immediately and contact Toyota dealer. (b) (indicator and buzzer) Fasten driver's seat belt. (c) Fasten front passenger's seat belt. (d) Stop immediately and contact Toyota dealer. (e) Stop and check. (f) Take vehicle to Toyota dealer. (g) Replace engine oil. 2006 TACOMA from Jan.'06 Prod. (OM35865U) 151