Jeep 2009 Grand Cherokee Owner's Manual page 388

386 STARTING AND OPERATING
Hold down the NEUTRAL "pin" switch (with a pen, etc.)
for four seconds until the LED lamp by the switch starts
to blink, indicating shift in progress. The lamp will stop
blinking (go out) when shift is complete. The "4WD
SYSTEM IN NEUTRAL" message will no longer be
displayed on the EVIC (Electronic Vehicle Information
Center). Refer to "Electronic Vehicle Information Center
(EVIC)" in Section 4 of this manual.
Neutral Switch
5. Shift the transmission into PARK.
6. Start the engine.
7. Shift the transmission into DRIVE.