Buick 2007 Rainier Owner's Manual page 209

The default settings for the customization features
were set when your vehicle left the factory, but
may have been changed from their default
state since then.
To change feature preferences, make sure the
ignition is on and the vehicle is in PARK (P). To
avoid excessive drain on the battery, it is
recommended that the headlamps are turned off.
Press the customization button to scroll through
the available customizable options.
After pressing the customization button, VEHICLE
SETTINGS momentarily displays before going
to a customization option.
Lock Doors
Press the customization button until LOCK
DOORS: IN GEAR appears in the display. To
select your preference for automatic locking, press
the select button while LOCK DOORS: IN GEAR
is displayed on the DIC. Pressing the select button
will scroll through the following choices:
LOCK DOORS: IN GEAR (default): The doors
will lock when the vehicle is shifted out of
PARK (P).
LOCK DOORS: WITH SPEED: The doors will
lock when the vehicle speed is above
8 mph (13 km/h) for three seconds.
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature.
For more information on automatic door locks, see
Programmable Automatic Door Locks on page 98.
Unlock Doors
Press the customization button until UNLOCK
DOORS: IN PARK appears in the display.
To select your preference for automatic unlocking,
press the select button while UNLOCK DOORS:
IN PARK is displayed on the DIC. Pressing
the select button will scroll through the following
choices:
UNLOCK DOORS: IN PARK (default): All of the
doors will unlock when the vehicle is shifted
into PARK (P).
UNLOCK DRIVER: IN PARK: The driver's door
will be unlocked when the vehicle is shifted
into PARK (P).
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