Power Door Locks - GMC 2001 Yukon XL Owner's Manual

There are several ways to lock and unlock your vehicle.
Use the keyless entry system (if equipped) or use the
door key.
2-6
From the inside, to lock
the door, slide the lever
rearward. To unlock
the door, slide the
lever forward.

Power Door Locks

Press the recessed side of the switch marked "U" to
unlock all the doors at once.
Press the raised side of the
switch, marked "L" on
either front door to lock
all the doors at once.