"Insert new key into ignition cylinder and turn it to the ON position.
(As far as you can go without cranking engine)
The security light on the dash will illuminate and stay on for ten minutes.
When the security light goes out, you have one minute to start the next step.
2. Turn the ignition cylinder to OFF and then back to the ON position.
The security light on the dash will illuminate and stay on for ten more minutes.
When the security light goes out, you have one minute to start the next step.
3. Turn the ignition cylinder to OFF and then back to the ON position.
The security light on the dash will illuminate and stay on for ten more minutes.
4. After the security light has gone off for the third time, turn key off and remove
from ignition. The key is now programmed and all other keys have been erased.
5. Insert key and start vehicle to test key."
Maybe it's a half hour, thought it was 20 minutes each time.