1997 Toyota Supra Owners Manual - Page 106
1997 Toyota Supra Manual
Page 106 highlights
Cleaning 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 on the display. 2. While you are holding in the "∧" side of "TUNE", push "1". The display will read "-". On some models, "B" and "Y" will also turn on. 3. Input the existing three-digit code. You have 10 seconds to enter each digit. For example, "209": To set the first digit: Push "1" until the digit you want appears on the display. To set the second digit: Push "2" until the digit you want appears on the display. To set the third digit: Push "3" until the digit you want appears on the display. 98