BUICK LACROSSE 2006 Owner's Manual

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{CAUTION:
Do not keep driving if the oil pressure is low.
If you do, your engine can become so hot that
it catches re. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
Notice:Lack of proper engine oil maintenance
may damage the engine. The repairs would not
be covered by your warranty. Always follow
the maintenance schedule in this manual for
changing engine oil.
Change Engine Oil Light
If this light comes on,
it means that service
is required for your
vehicle. SeeScheduled
Maintenance on page
6-4andEngine Oil on
page 5-15for more
information.
After having the oil changed you will need to reset the
light. SeeEngine Oil on page 5-15for more information.
If this light is blinking, a chime will sound indicating
low engine oil.
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Security Light
For information
regarding this light,
seeTheft-Deterrent
Systems on page 2-18.
Cruise Control Light
This light comes on
whenever you set
your cruise control.
The light will go out when the cruise control is turned off.
SeeCruise Control on page 3-10for more information.
Reduced Engine Power Light
If the reduced engine
power light is on, a chime
will sound and a noticeable
reduction in the vehicle’s
performance may occur.
If the reduced engine power light is on, but there is no
reduction in performance, proceed to your destination.
The performance may be reduced the next time the
vehicle is driven. The vehicle may be driven at a reduced
speed while the reduced engine power light is on, but
acceleration and speed may be reduced.
Anytime the reduced engine power light stays on, the
vehicle should be taken to an authorized GM dealer
as soon as possible for service.
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Page 173 of 444

Highbeam On Light
This light will come on
when the high-beam
headlamps are in use.
SeeHeadlamp High/Low-Beam Changer on page 3-8.
Headlamps Suggested Light
This light will come
on when the use of
headlamps is suggested.
Low Washer Fluid Warning Light
This light will come on
briey when the ignition is
on. If the light stays on, a
chime will sound indicating
your windshield washer
uid is low.
SeeWindshield Washer Fluid on page 5-38for more
information.
Door Ajar Light
When the ignition is on, this
light will stay on until all
doors are closed and
completely latched.
You will hear a chime if a door is unlatched after the
engine is started and the vehicle is not in PARK (P).
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Page 174 of 444

Trunk Ajar Light
This light will come on
and a chime will sound
if the trunk is ajar and the
vehicle is not in Park (P).
Try closing the trunk again. Never drive with the
trunk open.
Service Vehicle Soon Light
If equipped, this light will
come on and a chime will
sound if it detects a
problem on the vehicle.
Fuel Gage
The fuel gage indicates
about how much fuel
is left in the fuel tank
when the ignition is on.
When the indicator nears empty, there is still a little fuel
left, but you should get more fuel soon.
Here are four things that some owners ask about. All
these things are normal and do not indicate that anything
is wrong with the fuel gage:
At the gas station, the pump shuts off before the
gage reads full.
It takes more, or less, fuel to ll up than the gage
reads. For example, the gage reads half full, but it
took more, or less, than half of the tank’s capacity
to ll it.
The gage pointer may move while cornering, braking
or accelerating.
The gage may not indicate empty when the ignition
is turned off.
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Low Fuel Warning Light
If the vehicle’s fuel is low, a light on the fuel gage,
if equipped, will come on and a chime will sound
periodically until fuel is added to the fuel tank.
It will also come on for a few seconds when the ignition
is turned on as a check to indicate it is working. If it
does not come on then, have it xed.
For vehicles with a DIC, a LOW FUEL message
will appear. SeeDIC Warnings and Messages
on page 3-59for more information.
Check Gas Cap Light
If equipped, this light will
come on and a chime will
sound if your gas cap is
not securely fastened.
SeeMalfunction Indicator Lamp on page 3-41and
Filling the Tank on page 5-8for more information.
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Page 176 of 444

Driver Information Center (DIC)
Your vehicle may have a Driver Information Center (DIC).
All messages will appear in the DIC display located in the
instrument panel cluster, below the speedometer. The
DIC buttons are located on the center of the instrument
panel, below the center outlets.
The DIC comes on when the ignition is on. After a
short delay, the DIC on the uplevel vehicle will display the
WELCOME DRIVER (1 or 2) if a personalized key 1 or 2
is used, and then the information that was last displayed
before the engine was turned off.
The DIC on the base level vehicle displays the odometer
and trip odometers only.
The DIC on the uplevel vehicle displays the odometer,
trip odometers, fuel economy, trip computer, vehicle
system, and compass display information. It also displays
warning messages if a system problem is detected. In
addition, the DIC on the uplevel vehicle displays phone
numbers that are called using the OnStar
®system, if
equipped. SeeOnStar®System on page 2-38.The outside air temperature automatically appears in
the bottom right corner of the uplevel DIC display when
viewing the trip/odometer screens, fuel screens and
some of the gages screens. If the outside air temperature
is at or below 37°F (3°C), the temperature reading will
toggle between displaying the outside temperature and
the word ICE for two minutes. If there is a problem with
the system that controls the temperature display, the
letters OC (open circuit) or SC (short circuit) will appear
on the display. If this occurs, have the vehicle serviced
by your GM dealer.
The DIC on the uplevel vehicle also allows some
features to be customized or personalized. See
DIC Vehicle Personalization on page 3-75for
more information.
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DIC Operation and Displays
The DIC has different modes which can be accessed by
pressing the DIC buttons located on the center of the
instrument panel. Depending on whether your vehicle
has the base level or uplevel DIC, the buttons and
modes available will differ.
The buttons on the base level vehicle are the
trip/odometer and English/Metric buttons.
The buttons on the uplevel vehicle are the trip/odometer,
fuel, gages, set/reset, and option buttons.
The button functions are detailed in the following pages.
DIC Buttons
TRIP/ODO (Trip/Odometer):Press this button on the
base level vehicle to display the odometer and trip
distance.
Press this button on the uplevel vehicle to display the
odometer, trip distance, time elapsed, and average
speed.
E/M (English/Metric)**:Press this button on the base
level vehicle to select between English or Metric
units.
To select between English or Metric units on the uplevel
vehicle, see “Units” later in this section.
.(Fuel)*:Press this button to display the fuel range,
average fuel economy, and instantaneous fuel economy.Uplevel shown
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2(Gages)*:Press this button to display the battery
voltage and oil life.
r(Set/Reset)*:Press this button to set or reset
certain functions and to turn off or acknowledge
messages on the DIC.
4(Option)*:Press this button to display the units,
language, personalization, compass zone, and compass
calibration. SeeDIC Vehicle Personalization on
page 3-75andDIC Compass (Uplevel Only) on
page 3-57for more information.
t(Traction Control)*:If your vehicle has the traction
control system, press this button to turn traction
control on or off. SeeTraction Control System (TCS) on
page 4-10for more information.
|(Hazard):Press this button to turn the hazard
warning ashers on and off. SeeHazard Warning
Flashers on page 3-6for more information.
*These buttons are available on uplevel vehicles only.
**This button is available on base level vehicles only.
Trip/Odometer Menu Items
TRIP/ODO (Trip Odometer):Press this button to scroll
through the following menu items:
Odometer
Press the trip/odometer button until the odometer
displays. This mode shows the distance the vehicle
has been driven in either miles or kilometers.
Trip A and Trip B
Press the trip/odometer button until A or B displays. This
mode shows the current distance traveled in either miles
or kilometers since the last reset for each trip odometer.
Both trip odometers can be used at the same time.
The display will show the odometer on the top line and
the trip odometer information, either A or B, on the
bottom line.
Each trip odometer can be reset to zero separately by
briey pressing the set/reset button on the uplevel
vehicle or by briey pressing and holding the trip
odometer button on the base level vehicle while the
desired trip odometer is displayed.
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There is also a retroactive trip odometer function that
performs the following for each trip odometer:
If the vehicle’s speed has exceeded 3 mph (5 km/h)
during the current ignition cycle, this function will
set the trip odometer to the distance driven
during the current ignition cycle.
If the vehicle’s speed has not exceeded 3 mph
(5 km/h), this function will set the trip odometer
to the distance driven during the previous ignition
cycle plus the distance driven during the current
ignition cycle.
Press and hold the set/reset button on the uplevel
vehicle or the trip/odometer button on the base level
vehicle for three seconds, then release the button.
The retroactive trip odometer value will be set into the
currently displayed trip odometer.
Time Elapsed (Uplevel Only)
Press the trip/odometer button until TIME ELAPSED :00
displays. This mode is like a stopwatch, in that you
can clock the time it takes to get from one point
to another. Each of the elds for the hours, minutes,
and seconds are two numeric digits.Once TIME ELAPSED :00 is displayed, press the
set/reset button on the uplevel vehicle to start the timing
feature. Press the set/reset button again to stop it. If
you will be starting and stopping your vehicle, during a
trip for instance, the TIME ELAPSED feature will
automatically start timing where it left off when you last
stopped. To reset it, press and hold the set/reset
button for approximately 1.5 seconds. The display will
return to zero. Press the trip/odometer button to
exit from the TIME ELAPSED display.
Average Speed (Uplevel Only)
Press the trip/odometer button until AVERAGE SPEED
displays. This mode shows the average speed of the
vehicle in miles per hour (mph) or kilometers per hour
(km/h). This average is calculated based on the various
vehicle speed recorded since the last reset of this value.
To reset the value, press the trip/odometer button to
display AVERAGE SPEED, then press and hold the
set/reset button on the uplevel vehicle. The display will
return to zero.
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Fuel Menu Items (Uplevel Only)
.
(Fuel):Press this button to scroll through the
following menu items:
Fuel Range
Press the fuel button until FUEL RANGE displays. This
mode shows the approximate number of remaining
miles or kilometers the vehicle can be driven without
refueling.
Fuel range is based on several factors, including distance
traveled, fuel used, fuel capacity, etc. This estimate will
change if driving conditions change. For example, if
driving in traffic and making frequent stops, this mode
may read one number, but if the vehicle is driven on a
freeway, the number may change even though the same
amount of fuel is in the fuel tank. This is because different
driving conditions produce different fuel economies.
Generally, freeway driving produces better fuel economy
than city driving. Fuel range cannot be reset.
If your vehicle is low on fuel, FUEL RANGE LOW
will display followed by the LOW FUEL message. See
“LOW FUEL” underDIC Warnings and Messages
on page 3-59for more information.
Average Fuel Economy
Press the fuel button until AVG ECONOMY displays.
This mode shows the approximate average miles per
gallon (mpg) or liters per 100 kilometers (L/100 km).
This number is calculated based on the number of mpg
(L/100 km) recorded since the last time this menu item
was reset. To reset AVG ECONOMY, press and hold the
set/reset button. The display will return to zero.
Instantaneous Fuel Economy
Press the fuel button until INST ECONOMY displays.
This mode shows the current fuel economy at a
particular moment and will change frequently as driving
conditions change. This mode shows the instantaneous
fuel economy in miles per gallon (mpg) or liters per
100 kilometers (L/100 km). Unlike average fuel
economy, this screen cannot be reset.
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