GMC 2004 Savana - Manual (Page 95)

Power Door Locks
Press the bottom side of
the power door lock switch
to lock all the doors at
once. Press the top side of
the power door lock
switch to unlock all the
doors at once.
When a door is locked, the inside door handle will
not work.
Cargo Door Relocking
This feature protects the owner from having an
unsecured side cargo door. If the side cargo door is
open when the lock button is pressed on the door or the
remote keyless entry transmitter, all doors will lock
and then re-lock again after the cargo door is closed. If
the cargo door is not closed within several minutes,
the re-lock will not occur.
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