1997 Toyota T100 Owners Manual - Page 96

z"1-9"-Indicates the number of errors you have made. You may make up to nine errors, but no more! z"HELP"-The number of errors you can make was exceeded. The audio system is completely inoperable. Contact your Toyota dealer. Setting a security code for the first time. 1. Turn off the audio system. Turn the ignition key to "ACC". Simultaneously push and hold in "1", "6", and "PWR/VOL" until "SEC" appears on the display. 2. while you are holding the "∧" side of "TUND", push "1". The display will read "- - -". On some models, "B" and "Y" will also turn on. 88