2004 Toyota Tacoma Owners Manual - Page 15
2004 Toyota Tacoma Manual
Page 15 highlights
'04 Tacoma U (L/O 0309) 1. Using a coin or equivalent, open the transmitter case. 2. Remove the rubber gasket and set it aside. 3. Remove the discharged transmitter battery. NOTICE Do not bend the terminals. 15 2004 TACOMA from Sep. '03 Prod. (OM35814U)