Lockout Protection; Leaving Your Vehicle - Buick 2004 Century Owner's Manual

The vehicle was originally programmed to Mode 3.
The mode may have been changed since then.
To determine the current mode, or to change the mode,
do the following:
1. Turn the ignition key to RUN.
2. Close all of the doors.
3. Apply the brakes.
4. Press and hold the power door lock switch in the
lock position.
5. Move the shift lever out of and back into PARK (P)
while holding the door lock switch in the LOCK
position.
6. Release the door lock switch to set the
desired mode.
After initially moving the shift lever out of and back into
PARK (P), each additional shift cycle will advance
the programming from the current mode to the next
operating mode. If cycled beyond Mode 4, the vehicle
will enter operating Mode 1.
Disconnecting the vehicle's battery for up to a year will
not affect the programmed mode.
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Lockout Protection

This feature helps to prevent a driver from locking the
keys inside of the vehicle by disabling the power
door locks when the following occurs:
•
A door is opened.
•
The key is left in the ignition.
•
A power door lock is pressed.
The lockout protection feature can be overridden by
holding the power door lock switch in the lock position
for more than three seconds while the key is in the
ignition and any door is open.
This feature cannot guarantee that you will never be
locked out of the vehicle. If the manual door lock is used
or if the key is left in the vehicle, but not in the ignition,
you could still be locked out of the vehicle. Always
remember to take the keys with you.

Leaving Your Vehicle

Before leaving the vehicle, take the keys, open the
door, and set the locks from inside. Then get out and
close the door. See "Delayed Locking" in this section for
more information.