Trunk Lock Release; Remote Trunk Release Lockout - Buick 2000 Park Avenue Owner's Manual

Trunk Lock Release

To unlock the trunk from the outside, insert the master
door/ignition key and turn it.
Remote Trunk Release
Press the TRUNK release button located to the left of
the steering column to release the trunk lid.
The trunk will open if the transaxle is in PARK (P) or
NEUTRAL (N) and the trunk release lockout is in the
unlocked position.
The remote keyless entry system will also unlock your
trunk if the ignition is off, or if the ignition is on and the
transaxle is in PARK (P).
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Remote Trunk Release Lockout

The remote trunk release lockout button allows you to
secure items in the trunk.
This will disable the trunk release button from opening
the trunk.
Trunk Security Override
The remote keyless entry transmitter will open the trunk
when the ignition is on or off and the vehicle is in
PARK (P), even if the trunk release lockout is activated.
Insert the ignition key into
the trunk release button.
-
Turn the key one quarter
turn clockwise then remove
it from the button.