Buick 2006 LaCrosse Owner's Manual page 200

FOB LOCK FEEDBACK
This feature allows you to select the type of feedback
you will receive when locking the vehicle with the remote
keyless entry transmitter.
Press the option button until FOB LOCK FEEDBACK
appears on the DIC display. Press the set/reset button
to scroll through the following choices:
OFF: There will be no feedback when locking the
vehicle.
LIGHTS: The exterior lamps will flash when you press
the lock button on the remote keyless entry transmitter.
LIGHTS and HORN (default): The exterior lamps
will flash when you press the lock button on the
remote keyless entry transmitter, and the horn will
sound when the lock button is pressed again within
five seconds of the previous command.
Select one of the available choices and press the option
button while it is displayed on the DIC to select it and
move on to the next feature.
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REMOTE START
If your vehicle has remote start, this feature allows the
remote start to be turned off or on. The remote start
feature allows you to start the engine from outside of the
vehicle using your remote keyless entry transmitter.
See "Remote Vehicle Start" under Remote Keyless Entry
System Operation on page 2-4 for more information.
Press the option button until REMOTE START appears
on the DIC display. Press the set/reset button to
scroll through the following choices:
OFF: The remote start feature will be disabled.
ON (default): The remote start feature will be enabled.
Select one of the available choices and press the
option button while it is displayed on the DIC to select
it and move on to the next feature.