1996 Toyota Avalon Owners Manual - Page 99
1996 Toyota Avalon Manual
Page 99 highlights
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. 4. The three-digit code should be on the display. Push "SCAN". The display will read "- - -". 5. Repeat steps 2 and 3, this time entering your new code. You can use digits "0" through "9". 6. The new 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.) 93