New Holland L213 Operator's Manual page 121

Creating codes
The panel cannot be locked until a code is created. The
instrument panel has one owner code and up to ten user
codes. The owner code will always unlock the panel.
The owner code will be required to create or change user
codes and to modify the owner code.
Owner code:
Once in the SETUP menu, press the START button to
move to the LOCK menu. Press the POWER button to
enter the LOCK menu.
To create an owner code:
If no owner code exists, the display will show the word
OWNCR (Owner Create), followed by 00000 . Write down
the planned 5 digit code or use a code you already know.
NOTICE: Once the code is created, the panel cannot be
unlocked without the code. If the panel cannot be un-
locked, contact your Dealer.
1. Enter code by using multiple presses of the START
button (2), AUX OVERRIDE button (4), and OPERATE
button (3). Press the POWER button (5) to save each
digit and move to the next.
NOTE: For numbers 1, 2, 3 use the START button.
For numbers 4, 5, 6 use the AUX OVERRIDE button.
For numbers 7, 8, 9, 0 use the OPERATE button.
2. Press the POWER button (5) after the fifth digit to enter
the code. The engine preheat lamp will illuminate and
the display will begin the thirty second countdown.
3. Press the START button (2) to move to the exit menu,
and press the POWER button (5) to exit the "Setup"
menu. The panel is not locked at this point.
3 - CONTROLS AND INSTRUMENTS
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