Panasonic KX-T336 System Reference Manual page 59

1.02 Removing the Panels
Front Panel
3
2
Base Front Panel
1
1
2
2-B-3
1. Rotate the key on the front panel
counterclockwise to unlock.
2. Open the front panel toward you at right
angles to the basic shelf.
3. Remove the front panel by lifting it straight up.
1. Open the base front panel toward you while
holding down the button on the panel.
2. Pull out the base front panel to the right.