2009 BUICK LUCERNE service indicator

When the ignition is on, the brake system warning light
also comes on when the parking brake is set. The light
will stay on if the parking brake does not fully release.
If it stays on after the parking brake is fully released,
it means there is a brake problem.
{CAUTION:
The brake system might not be working properly if
the brake system warning light is on. Driving with
the brake system warning light on can lead to a
crash. If the light is still on after the vehicle has
been pulled off the road and carefully stopped,
have the vehicle towed for service.
If the light comes on while driving, pull off the road and
stop carefully. The pedal can be harder to push, or the
pedal could go closer to the oor. It could take longer to
stop. Try turning off and restarting the vehicle one or two
times, if the light is still on, have the vehicle towed for
service. SeeTowing Your Vehicle on page 4-23.
Antilock Brake System (ABS)
Warning Light
For vehicles with
the Antilock Brake
System (ABS), this light
comes on briey when
the engine is started.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally
the indicator light then goes off.
If the ABS light stays on, turn the ignition off. If the
light comes on while driving, stop as soon as it is safely
possible and turn the ignition off. Then start the engine
again to reset the system. If the ABS light stays on, or
comes on again while driving, the vehicle needs service.
If the regular brake system warning light is not on, the
vehicle still has brakes, but not antilock brakes. If the
regular brake system warning light is also on, the vehicle
does not have antilock brakes and there is a problem with
the regular brakes. SeeBrake System Warning Light on
page 3-38.
For vehicles with a Driver Information Center (DIC),
seeDIC Warnings and Messages on page 3-56for
all brake related DIC messages.
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Traction Control System (TCS)
Warning Light
For vehicles with a Traction
Control System (TCS) and
StabiliTrak
®warning light,
this light comes on briey
when the engine is started.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally the
indicator light then goes off.
When the system is active, the light ashes while the
system is limiting wheel spin or assisting with controlling
the vehicle.If it stays on or comes on while driving a SERVICE
TRACTION CONTROL message appears in the Driver
Information Center (DIC). This indicates that there could
be a problem with the traction control system and the
vehicle may need service. When this warning light is
on and the SERVICE TRACTION CONTROL message
appears on the DIC, the system does not limit wheel spin.
If the traction control system is manually turned off, this
light comes on and the TRACTION CONTROL OFF
message appears on the DIC.
SeeTraction Control System (TCS) on page 4-7
andDIC Warnings and Messages on page 3-56
for more information.
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StabiliTrak®Indicator Light
This light comes on briey
while starting the engine.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally the
indicator light will then go off.
This light may come on while the vehicle is rst driven
and the STABILITRAK NOT READY message will appear
in the Driver Information Center (DIC). SeeStabiliTrak
®
System on page 4-6for more information.
If the light stays on, or comes on while driving a
SERVICE STABILITRAK message will appear in
the DIC. This indicates that there may be a problem
with 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 ash while the
system is assisting with controlling the vehicle.
SeeStabiliTrak
®System on page 4-6andDIC Warnings
and Messages on page 3-56for more information.
Lane Departure Warning Light
For vehicles with the lane
departure warning system,
this light briey comes
on green, while starting
the vehicle, to indicate
that it is working.
If it does not, have the vehicle serviced by your
dealer/retailer. If the system is working normally
the indicator light will then go off.
This light also comes on green if the system detects a
left or right lane marking. It ashes, 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.
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Engine Coolant Temperature
Warning Light
This light comes on briey
while starting the vehicle.
If it does not, have the vehicle serviced by the
dealer/retailer. If the system is working normally
the indicator light goes off.
Notice:Driving with the engine coolant temperature
warning light on could cause the vehicle to overheat.
SeeEngine Overheating on page 5-35. The vehicle’s
engine could be damaged, and it might not be
covered by the vehicle warranty. Never drive with
the engine coolant temperature warning light on.
The engine coolant temperature warning light comes on
when the engine has overheated.
If this happens pull over and turn off the engine as soon
as possible. SeeEngine Overheating on page 5-35
for more information.
Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the
pointer moves towards the H (United States) or shaded in
thermostat symbol area (Canada), the engine is too hot.
A temperature indicator light will turn on and a chime
will sound.
If the vehicle has been operating under normal driving
conditions, and the temperature indicator light comes
on, pull off the road, stop the vehicle and turn off
the engine as soon as possible.
United StatesCanada
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Tire Pressure Light
For vehicles with a tire
pressure light, this light
comes on briey when
the engine is started and
provides information about
tire pressures and the
Tire Pressure Monitoring
System.
When the Light is On Steady
This indicates that one or more of the tires is signicantly
underinated.
A tire pressure message in the Driver Information
Center (DIC), can accompany the light. SeeDIC
Warnings and Messages on page 3-56for more
information. Stop and check the tires as soon as
it is safe to do so. If a tire is underinated, inate
to the proper pressure. SeeTires on page 5-59
for more information.
When the Light Flashes First and Then is
On Steady
This indicates that there could be a problem with the
Tire Pressure Monitor System. The light ashes for about
a minute and stays on steady for the remainder of the
ignition cycle. This sequence repeats with every ignition
cycle. SeeTire Pressure Monitor System on page 5-67
for more information.
Malfunction Indicator Lamp
Check Engine Light
A computer system called OBD II (On-Board
Diagnostics-Second Generation) monitors operation
of the fuel, ignition, and emission control systems.
It ensures that emissions are at acceptable levels
for the life of the vehicle, helping to produce a cleaner
environment.
This light should come on
when the ignition is on, but
the engine is not running,
as a check to show it
working. If it does not,
have the vehicle serviced
by your dealer/retailer.
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Oil Pressure Light
{CAUTION:
Do not keep driving if the oil pressure is low.
The engine can become so hot that it catches re.
Someone could be burned. Check the oil as soon
as possible and have the vehicle serviced.
Notice:Lack of proper engine oil maintenance
can damage the engine. The repairs would not be
covered by the vehicle warranty. Always follow
the maintenance schedule in this manual for
changing engine oil.This light comes on briey while starting the engine.
If it does not, have the vehicle serviced by your
dealer/retailer. 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 owing through the engine properly. The vehicle
could be low on oil and it might have some other system
problem.
Security Light
For information regarding
this light and the vehicle’s
security system, see
Content Theft-Deterrent
on page 2-17.
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Fuel Gage
The fuel gage shows about how much fuel is in
the tank.
An arrow on the fuel gage indicates the side of the
vehicle the fuel door is on.The gage works only when the ignition is on. When the
indicator moves to the edge of the low fuel warning band,
the low fuel warning light comes on and a chime sounds.
The vehicle still has a little fuel left, but the vehicles fuel
tank should be lled soon.
Here are some things that some owners ask about.
None of these show a problem with the fuel gage:
At the service station, the gas pump shuts off before
the gage reads full.
It takes more (or less) fuel to ll up than the gage
indicated. For example, the gage may have indicated
half full, but it took more (or less) than half the tank’s
capacity to ll it.
The gage moves up a little while turning a corner,
speeding up or making a hard stop.
The gage does not go back to empty when the
ignition is turned off. United States
Canada
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Driver Information Center (DIC)
Your vehicle has a Driver Information Center (DIC).
All messages will appear in the DIC display located
below the speedometer in the instrument panel cluster.
The DIC buttons are located on the instrument panel,
to the left of the instrument panel cluster.
The DIC comes on when the ignition is on. After a short
delay, the DIC will display the information that was last
displayed before the engine was turned off.
The DIC displays trip, fuel, and vehicle system
information, and warning messages if a system problem
is detected. The bottom line of the DIC shows the shift
lever position indicator. SeeAutomatic Transmission
Operation on page 2-25for more information.
If your vehicle’s DIC has these features, the compass
direction and the outside air temperature may also
display on the DIC when viewing the trip and fuel
information. The compass direction appears on the
top right corner of the DIC display. The outside air
temperature automatically appears in the bottom right
corner of the DIC display. If there is a problem with
the system that controls the temperature display,
the numbers will be replaced with dashes. If this occurs,
have the vehicle serviced by your dealer/retailer.
The DIC also allows some features to be customized.
SeeDIC Vehicle Customization on page 3-66for
more information.
DIC Operation and Displays
The DIC has different displays which can be accessed
by pressing the DIC buttons located on the instrument
panel, to the left of the instrument panel cluster.
DIC Buttons
The buttons are the trip/fuel, vehicle information,
customization, and set/reset buttons. The button
functions are detailed in the following pages.
3(Trip/Fuel):Press this button to display the
odometer, trip odometers, fuel range, average economy,
instantaneous economy, and average speed.
T(Vehicle Information):Press this button to display
the oil life, units, park assist on vehicles with this feature,
side blind zone alert on vehicles with this feature, tire
pressure readings on vehicles with this feature, compass
zone and compass calibration on vehicles with this
feature, and Remote Keyless Entry (RKE) transmitter
programming.
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