Jeep 2012 Liberty - Owner Manual - Manual (Page 432)

3. Turn the ignition switch to the ON/RUN position, but
do not start the engine.
4. Press and hold the brake pedal.
5. Shift the transmission into NEUTRAL.
6. Using the point of a ballpoint pen or similar object,
press and hold the recessed transfer case NEUTRAL (N)
button (located above the selector switch) for one second.
7. After the NEUTRAL (N) indicator light turns off,
release the NEUTRAL (N) button.
8. After the NEUTRAL (N) button has been released, the
transfer case will shift to the position indicated by the
selector switch.
Neutral Switch
430 STARTING AND OPERATING