Hummer H2 2004 Owner's Manual page 109

2. Move the shift lever into PARK (P) like this:
•
Press the button on the end of the shift lever.
4. Turn the ignition key to LOCK.
5. Remove the key and take it with you. If you can
leave your vehicle with the ignition key in your
hand, your vehicle is in PARK (P).
3. While still pressing
the button, move the
lever forward as
far as it will go. Let go
of the button and
the lever.
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