Buick 2011 Lucerne Owner's Manual page 195

This light comes on briefly while starting the engine. If it
does not, have the vehicle serviced by your dealer.
If the system is working normally the indicator light then
goes off.
If the light comes on and stays on, it means that oil is
not flowing through the engine properly. The vehicle
could be low on oil and it might have some other
system problem.
For information regarding
this light and the vehicle's
security system, see
Content Theft-Deterrent
on page 3 15.
The fog lamp light comes
on when the fog lamps
are in use.
The light goes out when the fog lamps are turned off.
See Fog Lamps on page 4 12 for more information.
The light goes out when the cruise control is turned off.
See Cruise Control on page 4 7 for more information.
See Headlamp High/Low-Beam Changer on page 4 5
for more information.
The cruise control light
comes on whenever the
cruise control is set.
This light comes on when
the high-beam headlamps
are in use.
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