Chevrolet 2003 Tahoe Owner's Manual page 100

2.
3.
Turn your key to RUN and LOCK twice. Then, with
the key in LOCK, release the turn
signaVmultifunction lever. Once you do this, you will
hear the lock mechanism lock and unlock.
You are now ready to program the automatic door
locks. Select one of the following four programming
options and follow the instructions. You will have
thirty seconds to begin programming. If you exceed
the thirty-second limit, the locks will automatically
lock and unlock to indicate you have left the
program mode. If this occurs, repeat the procedure
beginning with Step 1.
You can exit the program mode any time by turning the
ignition to RUN (the locks will automatically lock and
unlock to indicate you are leaving the program mode). If
the lock/unlock switches are not pressed while in the
programming mode, the auto lock/unlock setting will not
be modified.
The following is a list of the available programming
options:
e
e
e
All door locks/Only the driver's door unlocks:
Press the lock side of the power lock switch on
ihe door pmei
G W ~
and then the unlock side once
All doors IocWAll doors unlock: Press the
lock side of the power lock switch on the door panel
once, and then the unlock side twice.
All doors IocWNone of the doors unlock: Press
the lock side of the power lock switch on the door
panel once, and then the unlock side three times.
No doors IocWNone of the doors unlock: Press
the lock side of the power lock switch on the door
panel twice. This turns off the automatic lock
feature.
For more information, see your dealer
2-1 1