1997 Toyota Land Cruiser Owners Manual - Page 104
1997 Toyota Land Cruiser Manual
Page 104 highlights
4. The three-digit code should be on the display. Push and hold in "SCAN" until the display goes dark. (At first, "SEC" will appear on the display.) If you pushed any wrong buttons, "Err" and the number of errors you have made will appear on the display before "SEC" does. Go back to step 2 and try again. If the display returns to "-" while you are entering the code, go back to step 3. To make sure the security code has been accepted, turn the ignition to "LOCK" and then back to "ACC". "SEC" should appear on the display. Choose a security code that is easy to remember and keep a copy of it (not in your Toyota). Changing the security code 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 in the display. 97