2010 BUICK LACROSSE change time

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.

Lighting 5-3
The DRL system turns on the
low-beam headlamps at a reduced
brightness or for vehicles with
High Intensity Discharge (HID)
headlamps, the dedicated
DRL lights will come on when
the following conditions are met:
.The engine is running,
.The exterior lamp band is in
AUTO, and
.The light sensor determines it
is daytime.
When the DRL are on, the
low-beam headlamps will be on.
The taillamps, sidemarker,
instrument panel lights and other
lamps will not be on.
The DRL turn off when the
headlamps are turned to
Oor the
ignition is off.
Automatic Headlamp
System
When the exterior lamp control is
set to AUTO and it is dark enough
outside, the headlamps come on
automatically.
There is a light sensor located on
top of the instrument panel. Do not
cover the sensor or the headlamps
will come on when they are not
needed.
The system may also turn on the
headlamps when driving through a
parking garage or tunnel.
When it is bright enough outside the
headlamps will turn off or may
change to daytime running
lamps (DRL).
The automatic headlamp system
turns off when the exterior lamp
control is turned to
Oor the ignition
is off.
Adaptive Forward
Lighting (AFL)
The Adaptive Forward Lighting
System (AFL) pivots the headlamps
horizontally to provide greater road
illumination while turning. To enable
AFL, set the exterior lamp switch to
the AUTO position. Moving the
switch out of the AUTO position
deactivates the system. AFL
operates when the vehicle speed is
greater than 3 km/h (2 mph).
AFL does not operate when the
transmission is in R (Reverse).
AFL is not immediately operable
after starting the vehicle; driving a
short distance is required to
calibrate the AFL. See Exterior
Lamp Controls on page 5‑1.

5-4 Lighting
Hazard Warning Flashers
|
Hazard Warning Flasher:
Press this button located on the
instrument panel below the climate
control system, to make the front
and rear turn signal lamps flash on
and off. Press again to turn the
flashers off.
The hazard warning flashers turn on
automatically if the airbags deploy.
Turn and Lane-Change
Signals
Move the lever all the way up or
down to signal a turn.
An arrow on the instrument panel
cluster flashes in the direction of the
turn or lane change. Raise or lower the lever until the
arrow starts to flash to signal a lane
change. Hold it there until the lane
change is completed. If the lever is
briefly pressed and released, the
turn signal flashes three times.
The turn and lane-change signal
can be turned off manually by
moving the lever back to its original
position.
If after signaling a turn or lane
change the arrow flashes rapidly or
does not come on, a signal bulb
might be burned out.
Have the bulbs replaced. If the bulb
is not burned out, check the fuse.
See
Fuses and Circuit Breakers
on
page 9‑38.

5-6 Lighting
Lighting Features
Entry Lighting
The headlamps, taillamps, license
plate lamps, reverse lamps, dome
lamps, and most of the interior lights
turn on briefly, when the Remote
Keyless Entry (RKE)
Kis pressed,
or when the door handle is pulled on
a Keyless Access Vehicle. See
Ignition Positions (Key Access)
on
page 8‑18or Ignition Positions
(Keyless Access)on page 8‑19.
After about 30 seconds the exterior
lamps turn off, and then the dome
and remaining interior lights will dim
to off. Entry lighting can be disabled
manually by changing the ignition
out of the OFF position, or by
pressing the Remote Keyless
Entry (RKE)
Qbutton. This feature can be activated or
deactivated in the menu SETTINGS
in the Info Display. Press CONFIG
on the infotainment system to call
up the menu. See
Vehicle
Personalization on page 4‑38.
Exit Lighting
The headlamps, taillamps, parking
lamps, reverse lamps, and license
plate lamps come on at night, or in
areas with limited lighting, when the
key is removed from the ignition.
The dome lamps also come on
when the key is removed from the
ignition. The exterior lights and
dome lamps remain on after the
door is closed for a set amount of
time, then automatically turn off.
For a vehicle with Keyless Access,
the exterior lights and dome lamps
automatically turn on when a door is
opened after the ignition is turned
off. See Ignition Positions (Key
Access)
on page 8‑18or Ignition
Positions (Keyless Access)on
page 8‑19. The exterior lights turn off
immediately by turning the exterior
lamps control to OFF.
The exit lighting feature can be
activated, deactivated, or the
timeframe for the lighting can be
changed in the menu Settings in the
Info. Display. Press CONFIG on the
Infotainment system to access the
menu. See
Vehicle Personalization
on page 4‑38.
Battery Load
Management
The vehicle has Electric Power
Management (EPM) that estimates
the battery's temperature and state
of charge. It then adjusts the voltage
for best performance and extended
life of the battery.
When the battery's state of charge
is low, the voltage is raised slightly
to quickly bring the charge back up.
When the state of charge is high,
the voltage is lowered slightly to
prevent overcharging. If the vehicle

6-6 Infotainment System
E. TUNE/k
.Manually selects radio
stations and pauses time
shifted content.
.CD/DVD: Select tracks,
pauses playback, and stops
playback.
.MEM: Select tracks and
pauses playback.
F. RADIO/BAND
.Changes the band while
listening to the radio.
.Selects the radio when
listening to a different audio
source.
G.
g
.Radio: Seeks the previous
station.
.CD: Selects the previous
track or rewinds within
a track.
.MEM: Selects the previous
track or rewinds within
a track. H.
ZCD Eject
.Removes a disc from the
CD slot.
I. REC
O
.AUX: Records content from
audio CDs, MP3/WMA
CDs, and USB mass
storage devices..
J. DEL
.MEM: Deletes the current
track from MEM.
K.
l
.Radio: Seeks the next
station.
.CD: Selects the next track
or fast forwards within a
track.
.MEM: Selects the next
track or fast forwards within
a track. L. SELECT
.Selects menu items.
M. Menu Knob
.Opens menus, highlights
menu items, or sets
numeric values while in
a menu.
N.
0BACK
.Menu: Moves one
level back.
.Character Input: Deletes
the last character.
O. TONE
.Opens the tone menu.
P.
H
.Opens the clock menu.
Q. CONFIG
.Opens the settings menu.

6-14 Infotainment System
Time Shifting (Radio with CD/
DVD and MEM)
The radio with MEM time shift
feature can rewind 20 minutes of
FM/AM content. While listening to
the radio, the content from the
current station is always being
buffered.
Press the
kbutton to pause the
radio. The radio displays the time
shift status bar. The status bar
shows the amount of content that is
stored in the buffer and the current
pause point.
To resume playback from the
current pause point, press
the
kbutton again. The radio is no
longer live, but played from the time
shift buffer. A status bar displays
below the station number.
Press and hold the
lorg
buttons to fast forward or
rewind through the time shift buffer. Hold
luntil the end of the
recorded buffer resumes live
playback.
Press and release the
lorg
buttons to jump forward or back
30 seconds in the time shift buffer.
When the radio station is changed,
the buffer is cleared and
automatically restarted for the
current station. Content from a
previously tuned station is no longer
available.
The time shift feature is not
available while recording or with
other sources of playback.
Pausing AM/FM with the Vehicle
Turned Off
If AM/FM is paused when the
vehicle is turned off, the radio
continues to buffer the current radio
station for up to 20 minutes. If the
vehicle is turned back on within
20 minutes, the radio resumes
playback from the paused point.
Satellite Radio
Vehicles with an XM™ Satellite
Radio tuner and a valid XM Satellite
Radio subscription can receive
XM programming.
XM Satellite Radio Service
XM is a satellite radio service that is
based in the 48 contiguous United
States and 10 Canadian provinces.
XM Satellite Radio has a wide
variety of programming and
commercial-free music,
coast-to-coast, and in digital-quality
sound. A service fee is required to
receive the XM service. For more
information, contact XM at
www.xmradio.com or call
1-800-929-2100 in the U.S. and
www.xmradio.ca or call
1-877-438-9677 in Canada.

6-16 Infotainment System
To select a channel using the menu:
1. Turn the menu knob and selectChannel List.
2. Select the desired channel.
Selecting a Channel Using the
Menu System
1. Turn the menu knob.
2. Select XM Category List.
3. Select the category.
4. Select the channel.
Storing an XM Channel as a
Favorite
Channels from all bands can be
stored in any order in the favorite
pages.
Up to six channels can be stored in
each favorite page and the number
of available favorite pages can
be set. Storing a Channel as a Favorite
To store the channel to a position in
the list, press and hold the
corresponding 1to 6 button until the
channel can be heard again.
Retrieving Channels
Press the FAV button to open a
favorite page or to change to
another favorite page. Briefly press
one of the 1 to 6 buttons to retrieve
the channel.
Time Shifting (Radio with CD/
DVD and MEM)
The radio with MEM time shift
feature can rewind 20 minutes of
XM content. While listening to the
radio, the content from the current
channel is always being buffered.
Press the
kbutton to pause the
radio. The radio displays the time
shift status bar. The status bar
shows the amount of content that is
stored in the buffer and the current
pause point. To resume playback from the
current pause point, press the
kbutton again. The radio is no
longer live, but played from the time
shift buffer. A status bar displays
below the channel number.
Press and hold the
lorg
buttons to fast forward or rewind
through the time shift buffer. Hold
luntil the end of the recorded
buffer resumes live playback.
Press and release the
lorg
buttons to go to the next or previous
song in the time shift buffer.
When the channel is changed, the
buffer is cleared and automatically
restarted for the current channel.
Content from a previously tuned
station is no longer available.
The time shift feature is not
available while recording or with
other sources of playback.

Infotainment System 6-35
Push the On/Off button to turn on
the headphones. A light on the
headphones comes on. If the light
does not come on, check the
batteries. Intermittent sound or static
can also indicate weak batteries.
See“Battery Replacement” later in
this section for more information.
Infrared transmitters are on the top
of the left seatback video screen.
The headphones shut off
automatically to save the battery
power if the RSE system is shut off
or if the headphones are out of
range of the transmitters for more
than three minutes. Moving too far
forward or stepping out of the
vehicle, can cause the headphones
to lose the signal or have static.
The headphones automatically turn
off after four hours of
continuous use.
To adjust the volume on the
headphones, use the volume
control. For best audio performance, the
headphones must be worn correctly,
with the headband over the top of
the head. L (Left) and R (Right) are
above the ear pads and are
indicators as to how the
headphones should be placed on
the head.
Notice:
Do not store the
headphones in heat or direct
sunlight. This could damage the
headphones and repairs will not
be covered by the warranty.
Storage in extreme cold can
weaken the batteries. Keep the
headphones stored in a cool, dry
place.
If the foam ear pads become worn
or damaged, they can be replaced
separately from the headphones.
See your dealer/retailer for more
information. Battery Replacement
To change the batteries:
1. Loosen the screw to the battery
door located on the left side of
the headphones.
2. Slide the battery door open.
3. Replace the two AAA batteries.
4. Replace the battery door and tighten the screw.
Remove the batteries if the
headphones are not going to be
used for a long period of time.
Audio/Video (A/V) Jacks
The A/V jacks may be located on
the rear of the floor console. They
allow audio or video cables to be
connected from an auxiliary device
such as a camcorder or a video
game system.
The A/V jacks are color coded:
.Yellow for video input.
.White for left audio input.
.Red for right audio input.