Honda Automobiles 2009 Accord Sedan Owner's Manual page 294

Automatic Transmission
RELEASE BUTTON
SHIFT LOCK RELEASE SLOT
5. Push down on the key while you
press the release button on the
front of the shift lever and move
the shift lever out of Park to
neutral.
288
6. Remove the key from the shift
lock release slot, then reinstall the
cover. Make sure the notch on the
cover is on the right side. Press
the brake pedal, and restart the
engine.
If you need to use the shift lock
release, it means your vehicle is
developing a problem. Have it
checked by your dealer.