2010 BUICK LACROSSE warning

4-24 Instruments and Controls
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 might have
some other system problem. See
your dealer/retailer.
For vehicles with the uplevel cluster
this telltale displays in the Driver
Information Center (DIC) screen.
Low Fuel Warning Light
This light, below the fuel gage,
comes on briefly when the engine is
started.
If it does not come on have the
vehicle serviced by your dealer/
retailer. If the system is working
normally the indicator light then
goes off.This light also comes on when the
fuel tank is low on fuel. When fuel is
added the light should go off. If it
does not, have your vehicle
serviced.
For vehicles with the uplevel cluster,
this telltale displays in the Driver
Information Center (DIC) screen.
Security Light
This light flashes when the security
system is activated.
For more information, see
Vehicle
Security on page 1‑13.
For vehicles with the uplevel cluster
this telltale displays in the Driver
Information Center (DIC) screen.
High-Beam on Light
This light comes on when the
high-beam headlamps are on.
See Headlamp High/Low-Beam
Changer
on page 5‑2for more
information.
Fog Lamp Light
For vehicles with fog lamps, this
light comes on when the fog lamps
are on.

Instruments and Controls 4-25
The light goes out when the fog
lamps are turned off. SeeFog
Lamps
on page 5‑5for more
information.
Taillamp Indicator Light
This light comes on when the
taillamps are on.
Cruise Control Light
This light is white whenever the
cruise control is set and turns green
when the cruise control is active.
The light goes out when the cruise
control is turned off. See Cruise
Control
on page 8‑37for more
information.
For vehicles with the uplevel cluster
this telltale will be shown in the
Driver Information Center (DIC)
screen.
Information Displays
Driver Information
Center (DIC)
The Driver Information Center (DIC)
displays information about the
vehicle. It also displays warning
messages if a system problem is
detected. See Vehicle Messages
on
page 4‑32for more information. All
messages appear in the DIC display
located in the center of the
instrument panel cluster.
On some models, the DIC may have
some warning lights or indicators
shown in the top portion of the
display. See Warning Lights, Gages,
and Indicators
on page 4‑12for
more information.
The vehicle may also have features
that can be customized through the
controls on the radio. See Vehicle
Personalization
on page 4‑38for
more information.

4-26 Instruments and Controls
DIC Operation and Displays
The DIC has different displays
which can be accessed by using the
DIC buttons located on the turn
signal lever located on the left side
of the steering wheel. The DIC
displays trip, fuel, vehicle system
information, and warning messages
if a system problem is detected.
The bottom of the DIC display
shows what position the shift lever
is in, the odometer, and the direction
the vehicle is driving.
In cold weather the DIC display may
change slowly. This is normal and
will move more quickly as the
vehicle's interior temperature rises.DIC Buttons
MENU:
Press to get to the
Trip/Fuel Menu and the Vehicle
Information Menu.
w x(Thumbwheel): Use to scroll
through the items in each menu.
A small marker will move across the
bottom of the page as you scroll
through the items. This shows
where each page is in the menu.
SET (Set/Clear): Press to set or
clear the menu item when it is
displayed.
Trip/Fuel Menu Items
Press MENU on the turn signal
lever until Trip/Fuel Information
Menu is displayed. Use
w xto
scroll through the following menu
items:
.Digital Speedometer
.Trip 1
.Trip 2
.Fuel Range
.Average Fuel Economy
.Average Vehicle Speed
.Timer
.Turn-by-Turn
Digital Speedometer
The speedometer shows how fast
the vehicle is moving in either
kilometers per hour (km/h) or
miles per hour (mph). The
speedometer cannot be reset.

4-28 Instruments and Controls
Unit
Move
w xto switch between
Metric or US when the Unit display
is active. Press SET to confirm the
setting. This will change the
displays on the cluster and DIC to
either metric or English (US)
measurements.
Tire Pressure
The display will show a vehicle with
the approximate pressures of all
four tires. Tire pressure is displayed
in either kilopascal (kPa) or pounds
per square inch (psi). See Tire
Pressure Monitor System
on
page 9‑54and Tire Pressure
Monitor Operationon page 9‑55for
more information.
Remaining Oil Life
This display shows an estimate of
the oil's remaining useful life.
If Remaining Oil Life 99% is
displayed, that means 99% of the
current oil life remains. When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
See
Engine Oil Messages
on
page 4‑35. The oil should changed
as soon as possible. See Engine Oil
on page 9‑11. In addition to the
engine oil life system monitoring the
oil life, additional maintenance is
recommended in the Maintenance
Schedule in this manual. See
Scheduled Maintenance
on
page 10‑2for more information.
Remember, the Oil Life display must
be reset after each oil change. It will
not reset itself. Also, be careful not
to reset the Oil Life display
accidentally at any time other than
when the oil has just been changed.
It cannot be reset accurately until
the next oil change. To reset the
engine oil life system press SET
while the Oil Life display is active.
See Engine Oil Life System
on
page 9‑13.
Compass
The vehicle may have a compass
display in the Driver Information
Center (DIC). See Compass
on
page 4‑8for more information.
Head-Up Display (HUD)
{WARNING
If the HUD image is too bright or
too high in your field of view, it
may take you more time to see
things you need to see when it is
dark outside. Be sure to keep the
HUD image dim and placed low in
your field of view.
For vehicles with the Head-Up
Display (HUD), some information
concerning the operation of the
vehicle is projected onto the
windshield. This includes the
speedometer reading, RPM reading,
transmission position, outside air
temperature, compass heading and
a brief display of the current radio

Instruments and Controls 4-29
station, including XM information or
CD track. It will also display
turn-by-turn navigation information if
the vehicle has a navigation radio.
The images are projected through
the HUD lens located on the driver's
side of the instrument panel.
Notice:If you try to use the HUD
image as a parking aid, you may
misjudge the distance and
damage your vehicle. Do not use
the HUD image as a parking aid.
The tap shift gear will also appear
on the HUD if the vehicle has tap
shift and it is active.
The HUD information can be
displayed in one of three languages,
English, French, or Spanish. The
speedometer reading and other
numerical values can be displayed
in either English or metric units.
The language selection is changed
through the radio and the units of
measurement is changed through
the trip computer in the Driver
Information Center (DIC). See
AM-FM Radioon page 6‑12andDriver Information Center (DIC)on page 4‑25.
HUD Display on the Vehicle
Windshield
The HUD information appears as an
image focused out toward the front
of the vehicle.
When the ignition key is turned to
ON/RUN, the HUD will display an
introductory message for a short
time, until the HUD is ready. The following indicator lights come
on the instrument panel when
activated and also appear on
the HUD:
.Turn Signal Indicators
.High-Beam Indicator Symbol
The HUD temporarily displays some
vehicle warnings, such as CHECK
TIRE PRESSURE and FUEL
LEVEL LOW when these messages
are on the DIC trip computer.
The HUD also displays the following
messages on vehicles with these
systems, when they are active:
.TRACTION CONTROL ACTIVE
.STABILITRAK ACTIVE
When the HUD is on, the
speedometer reading is continually
displayed. The current radio station
or CD track number will display for a
short period of time after the radio
or CD track status changes. This
happens whenever radio information
is changed. The speedometer size

4-30 Instruments and Controls
is reduced when radio,
CD information, warnings,
or turn-by-turn navigation
information are displayed on
the HUD.
The HUD control is located to the
left of the steering wheel.
To adjust the HUD image so that
items are properly displayed, do the
following:
1. Adjust the driver's seat to acomfortable position.
2. Start the engine.
3. Adjust the HUD controls. Use the following settings to adjust
the HUD.
OFF:
To turn HUD off, turn the
HUD dimming knob fully
counterclockwise until the
HUD display turns off.
Brightness : Turn the dimming
knob clockwise or counterclockwise
to brighten or dim the display.
«(Up) :ª(Down) : Press the
up or down arrows to center the
HUD image in your view. The HUD
image can only be adjusted up and
down, not side to side.
PAGE: Press to select the display
formats. Release the page button
when the format number with the
desired display is shown on the
HUD. If vehicle messages are
displayed, pressing PAGE, may
clear the message. The three formats are as follows:
Format One:
This display gives the
speedometer reading (in English or
metric units), turn signal indication,
high beam indication, transmission
positions, outside air temperature,
and compass heading.

Lighting 5-1
Lighting
Exterior Lighting
Exterior Lamp Controls . . . . . . . . 5-1
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 5-2
Headlamp High/Low-Beam Changer . . . . . . . . . . . . . . . . . . . . . 5-2
Flash-to-Pass . . . . . . . . . . . . . . . . . 5-2
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . 5-2
Automatic Headlamp System . . . . . . . . . . . . . . . . . . . . . . 5-3
Adaptive Forward Lighting (AFL) . . . . . . . . . . . . . . . 5-3 Hazard Warning Flashers . . . . . 5-4
Turn and Lane-Change
Signals . . . . . . . . . . . . . . . . . . . . . . 5-4
Fog Lamps . . . . . . . . . . . . . . . . . . . . 5-5Interior Lighting
Instrument Panel Illumination Control . . . . . . . . . . . . . . . . . . . . . . 5-5
Dome Lamps . . . . . . . . . . . . . . . . . 5-5
Reading Lamps . . . . . . . . . . . . . . . 5-5
Sun Visor Lamps . . . . . . . . . . . . . . 5-5
Lighting Features
Entry Lighting . . . . . . . . . . . . . . . . . 5-6
Exit Lighting . . . . . . . . . . . . . . . . . . . 5-6
Battery Load Management . . . . 5-6
Battery Power Protection . . . . . . 5-7
Exterior Lighting
Exterior Lamp Controls
The exterior lamp control is located
on the instrument panel on the
outboard side of the steering wheel.
Turn the control to the following
positions:
O(Off): Turns off the exterior
lamps. The knob returns to the
AUTO position after it is released.
Turn to off again to reactivate
the AUTO mode.

5-2 Lighting
AUTO (Automatic):Automatically
turns the exterior lamps on and off,
depending on outside lighting.
The current status of the AUTO
system is displayed in the Driver
Information Center (DIC) uplevel
display. See Driver Information
Center (DIC) on page 4‑25.
; (Parking Lamps): Turns on the
parking lamps together with the
following:
.Sidemarker Lamps
.Taillamps
.License Plate Lamps
.Instrument Panel Lights
2(Headlamps): Turns on the
headlamps together with the
following:
.Sidemarker Lamps
.Taillamps
.License Plate Lamps
.Instrument Panel Lights
.Parking Lamps
Exterior Lamps Off
Reminder
A warning chime sounds, if the
driver door is opened while the
ignition is off and the exterior lamps
are on.
Headlamp High/
Low-Beam Changer
2 3
Headlamp High/Low Beam
Changer: Push the turn signal/lane
change lever away from you and
release, to turn the high beams on.
Pull the lever towards you to return
to low beams.
This indicator light turns on in the
instrument panel cluster when the
high beam headlamps are on.
Flash-to-Pass
This feature allows use of the
high-beam headlamps to signal a
driver in front that you want to pass.
To flash the high beams, pull the
turn signal/lane change lever
towards you, and release.
Daytime Running
Lamps (DRL)
Daytime Running Lamps (DRL) can
make it easier for others to see the
front of your vehicle during the day.
Fully functional daytime running
lamps are required on all vehicles
first sold in Canada.