GMC 2000 Yukon XL, Owner'S Manual, Page: 81 / 413

2-4
From the inside, to lock
the door, slide the lever
rearward. To unlock the
door, slide the lever forward.
Power Door Locks (If Equipped)
If your vehicle has this
power door lock switch,
press the raised side of the
switch, marked “L” on
either front door to lock
all the doors at once.
Press the recessed side of the switch marked “U” to
unlock all the doors at once.
If your vehicle has this
power door lock switch,
press the bottom of the
switch on either front door
to lock all the doors at once.
Press the top of the switch to unlock all the doors at once.
On the passenger side of the
rear cargo door or liftgate
opening trim there is a
power lock switch which
can be used to lock or
unlock all of the doors.