Power Door Locks - GMC Hummer H3 2008 Owner's Handbook Manual

From the inside, use the manual
door lock to lock and unlock each
door individually.
From the outside, use your key or
keyless entry transmitter to lock or
unlock the doors.

Power Door Locks

The front power door lock controls
lock and unlock all the doors.
Press L to lock all the doors.
Press U to unlock all the doors.
Section 1
Anti-lockout Feature
This feature helps protect you
from locking your keys in the
vehicle.
If the power door lock switch is
pressed while a door is open and
the key is in the ignition, all the
doors will lock and the driver's
door will unlock.
A chime will sound to remind you
to remove the key from the
ignition.
121 . . .