Buick 2011 Lucerne Owner's Manual page 190

the StabiliTrak system and the vehicle may need
service. When this warning light is on and the SERVICE
STABILITRAK message appears on the DIC, the
system will not assist with controlling the vehicle.
When the system is active, the light will flash while the
system is assisting with controlling the vehicle.
®
See StabiliTrak System on page 5 6 and DIC
Warnings and Messages on page 4 47 for more
information.
If it does not, have the vehicle serviced by your dealer.
If the system is working normally the indicator light then
goes off.
4-34
For vehicles with the lane
departure warning
system, this light briefly
comes on green while
starting the vehicle.
This light also comes on green if the system detects a
left or right lane marking. It flashes, changes to amber,
and three beeps sound, if a detected lane marking is
crossed without using a turn signal. For more
information, see the Index in the Navigation Manual.
If it does not, have the vehicle serviced by the dealer.
If the system is working normally the indicator light
goes off.
This light comes on briefly
while starting the vehicle.