Chevrolet Impala 2007 Owner's Manual page 210

AUTO DOOR UNLOCK
This feature allows you to select whether or not
to turn off the automatic door unlocking feature.
It also allows you to select which doors and
when the doors will automatically unlock.
See Programmable Automatic Door Unlock
on page 100 for more information.
Press the customization button until AUTO DOOR
UNLOCK appears on the DIC display. Press
the set/reset button to access the settings for this
feature. Then press the customization button
to scroll through the following choices:
OFF: None of the doors will automatically unlock.
DRIVER AT KEY OUT: Only the driver's door
will unlock when the key is taken out of the
ignition.
DRIVER IN PARK: Only the driver's door will
unlock when the vehicle is shifted into PARK (P).
ALL AT KEY OUT: All of the doors will unlock
when the key is taken out of the ignition.
ALL IN PARK (default): All of the doors will
unlock when the vehicle is shifted into PARK (P).
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NO CHANGE: No change will be made to this
feature. The current setting will remain.
Select one of the available choices and press the
set/reset button while it is displayed on the
DIC to select it.
REMOTE DOOR LOCK
This feature allows you to select the type of
feedback you will receive when locking the vehicle
with the Remote Keyless Entry (RKE) transmitter.
You will not receive feedback when locking
the vehicle with the RKE transmitter if any of the
doors are open. See Remote Keyless Entry (RKE)
System Operation on page 91 for more
information.
Press the customization button until REMOTE
DOOR LOCK appears on the DIC display. Press
the set/reset button to access the settings for
this feature. Then press the customization button
to scroll through the following choices:
HORN & LIGHTS OFF: There will be no feedback
when you press the lock button on the RKE
transmitter.