2010 BUICK LACROSSE key battery

Keys, Doors and Windows 1-3
vehicle. If the vehicle has the
keyless ignition, the key can be
used for the locks.
Press the button on the RKE
transmitter to extend the key. Press
the button and the key blade to
retract the key.
See your dealer/retailer if a new key
is needed.
Notice:If you ever lock your keys
in the vehicle, you may have to
damage the vehicle to get in.
Be sure you have spare keys. If you are locked out of the vehicle,
see
Roadside Assistance Program
(US, Can)
on page 12‑6or
OnStar®Systemon page 4‑43.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
(US, Can)on page 12‑16for
information regarding Part 15 of
the Federal Communications
Commission (FCC) Rules and
RSS-210/211 of Industry and
Science Canada.
Changes or modifications to this
system by other than an authorized
service facility could void
authorization to use this equipment.
If there is a decrease in the RKE
operating range:
.Check the distance. The
transmitter may be too far from
the vehicle.
.Check the location. Other
vehicles or objects may be
blocking the signal.
.Check the transmitter's battery.
See “Battery Replacement” later
in this section.
.If the transmitter is still not
working correctly, see your
dealer/retailer or a qualified
technician for service.
Remote Keyless Entry
(RKE) System Operation
(Key Access)
The transmitter functions will work
up to 20 m (65 feet) away from the
vehicle. On vehicles with remote
start the distance will be greater.
Keep in mind that other conditions,
such as those previously stated, can
impact the performance of the
transmitter.

Keys, Doors and Windows 1-5
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed
to this vehicle will work. If a
transmitter is lost or stolen, a
replacement can be purchased and
programmed through your dealer/
retailer. When the replacement
transmitter is programmed to this
vehicle, all remaining transmitters
must also be reprogrammed. Any
lost or stolen transmitters will no
longer work once the new
transmitter is programmed.
Battery Replacement
Replace the battery if the Replace
Battery in Remote Key message
displays in the DIC. See“Replace
Battery in Remote Key” underKey
and Lock Messages on page 4‑36.
The battery is not rechargeable.
See your dealer/retailer to replace
the battery.
Remote Keyless Entry
(RKE) System Operation
(Keyless Access)
The Keyless Access System lets
you lock and unlock the doors and
access the trunk without removing
the remote transmitter from your
pocket, purse, briefcase, etc. The
keyless access transmitter should
be within 1 m (3 feet) of the door or
trunk being opened.
Keyless Unlocking
With the keyless access transmitter
within 1 m (3 feet), approach the
front door and pull the handle to
unlock and open the door. If the
transmitter is recognized, the door
will unlock and open.
Entering any door other than the
driver door will always cause all of
the doors to unlock. This is not
customizable. To customize which doors unlock
when the driver's door is opened,
see
“Door Unlock Options” under
Vehicle Personalization
on
page 4‑38.
Lock Sensor
When all doors are closed and the
ignition is off, the vehicle can be
locked by pressing this area on the
door handle. This feature will be
available for several minutes after
the vehicle has been turned off.

Keys, Doors and Windows 1-7
complete. The vehicle must be off
and all of the transmitters you wish
to program must be with you.
1. Insert the vehicle key of thetransmitter into the key lock
cylinder located on the outside
of the driver door and turn the
key to the unlock position
five times within ten seconds.
The Driver Information Center
(DIC) displays Remote Learn
Pending, Please Wait.
2. Wait for ten minutes until the DIC displays Press Engine Start
Button To Learn and then press
the ignition.
The DIC displays will again
show Remote Learn Pending,
Please Wait.
3. Repeat Step 2 two additional times. After the third time all
previously known transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the next
steps. The DIC display should now
show Ready For Remote # 1.
4. Place the new transmitter into the transmitter pocket. The
transmitter pocket is located
inside the center console
storage area under the
cupholder. The cupholder will
need to be pulled out to access
the transmitter pocket.
5. Press the ignition. When the transmitter is learned the DIC
will display will show that it is
ready to program the next
transmitter.
6. Remove the transmitter from the transmitter pocket and press the
unlock button.
To program additional
transmitters, repeat Steps 4
through 6.
When all additional transmitters
are programmed, press and hold
the ignition for 5 seconds to exit
programming mode.Starting the Vehicle with a Low
Transmitter Battery
If the transmitter battery is weak, the
DIC may display No Remote
Detected when you try to start the
vehicle. The Replace Battery in
Remote Key message may also be
displayed at this time.
To start the vehicle:
1. Remove the cupholder from the
center console storage area.
2. Place the transmitter in the transmitter pocket with the
buttons facing up.

1-8 Keys, Doors and Windows
3. With the vehicle in P (Park) orN (Neutral), press the brake
pedal and the ignition control.
See Starting the Engine
on
page 8‑20, for additional
information about the vehicle's
keyless ignition with push start.
Replace the transmitter battery
as soon as possible.
Battery Replacement
Replace the battery if the Replace
Battery in Remote Key message
displays in the DIC. See “Replace
Battery in Remote Key” underKey
and Lock Messages on page 4‑36.
The battery is not rechargeable.
See your dealer/retailer to replace
the battery.
Remote Vehicle Start
If available, this feature allows the
engine to be started from outside
the vehicle. This button
/will be on the
RKE transmitter if the vehicle has
remote start.
To enable and disable remote start,
see “Remote Vehicle Start” under
Vehicle Personalization
on
page 4‑38.
Laws in some local communities
may restrict the use of remote
starters. For example, some laws
may require a person using remote
start to have the vehicle in view.
Check local regulations for any
requirements.
Starting the Engine Using Remote
Start
To start the engine using the remote
start feature:
1. Press
Qon the RKE transmitter.
The vehicle's doors will be
locked.
2. Within five seconds, press and hold
/until the turn signal
lamps flash. This confirms the
request to remote start the vehicle has been received.
Once the vehicle is started, the
parking lamps will turn on and
remain on as long as the engine
is running.
3. Turn the ignition to ON/RUN (Key Access), or select the
ON/RUN/START ignition position
(Keyless Access), to drive the
vehicle.
The engine will shut off after
10 minutes unless a time
extension is done or the ignition
is put in ON/RUN (Key Access)
or ON/RUN/START (Keyless
Access).
Vehicles with an automatic climate
control system will default to a
heating or cooling mode depending
on the outside temperature during a
remote start. When the key is turned
to ON/RUN (Key Access), or the
ON/RUN/START ignition position is
selected (Keyless Access), the
climate control system will turn on at
the setting the vehicle was set to
when the vehicle was last turned off.

1-18 Keys, Doors and Windows
Express Window Operation
Windows with an express-up or
down feature allow the window to be
lowered or raised without holding
the switch. Rear windows only have
express down. Pull a window switch
up or push it down all the way,
release it, and the window goes
down or up automatically. Stop the
window by pushing or pulling the
switch.
Rear Window Lockout
The rear window lockout buttonv
is located on the driver door near
the window switches. Press the
button to disable the rear window
controls. The light on the button
illuminates, indicating the feature is
in use. The rear windows still can beraised or lowered using the driver
window switches when the lockout
feature is active. To restore power to
the rear windows, press the button
again. The light on the button will go
out. If the light flashes, the feature
may not be working properly.
This switch also activates the Safety
Locks. See
Power Door Locks
on
page 1‑10for more information.
Programming the Power
Windows
If the battery on the vehicle has
been recharged, disconnected, or is
not working, you will need to
reprogram each front power window
for the express-up feature to work.
Before reprogramming, replace or
recharge the vehicle's battery. To program each front window,
follow these steps:
1. With the ignition in ACC/
ACCESSORY, ON/RUN,
or when Retained Accessory
Power (RAP) is active, close
all doors.
2. Press and hold the power window switch until the window
is fully open.
3. Pull the power window switch up until the window is fully closed.
4. Continue holding the switch up for approximately two seconds
after the window is completely
closed.
The window is now reprogrammed.
Repeat the process for the other
windows.

4-2 Instruments and Controls
Information Displays
Driver InformationCenter (DIC) . . . . . . . . . . . . . . . 4-25
Head-Up Display (HUD) . . . . . 4-28
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 4-32
Battery Voltage and Charging Messages . . . . . . . . 4-33
Brake System Messages . . . . 4-33
Compass Messages . . . . . . . . . 4-33
Cruise Control Messages . . . . 4-34
Door Ajar Messages . . . . . . . . . 4-34
Engine Cooling System Messages . . . . . . . . . . . . . . . . . . 4-34
Engine Oil Messages . . . . . . . . 4-35
Engine Power Messages . . . . 4-35
Fuel System Messages . . . . . . 4-36
Key and Lock Messages . . . . . 4-36
Lamp Messages . . . . . . . . . . . . . 4-36 Ride Control System
Messages . . . . . . . . . . . . . . . . . . 4-36
Anti-Theft Alarm System Messages . . . . . . . . . . . . . . . . . . 4-37
Tire Messages . . . . . . . . . . . . . . . 4-37
Transmission Messages . . . . . 4-37
Window Messages . . . . . . . . . . . 4-38
Vehicle Personalization
Vehicle Personalization . . . . . . 4-38
OnStar System®
OnStar®System . . . . . . . . . . . . . 4-43
Universal Remote System
Universal Remote
System . . . . . . . . . . . . . . . . . . . . . 4-45
Universal Remote System Programming . . . . . . . . . . . . . . . 4-45
Universal Remote System Operation . . . . . . . . . . . . . . . . . . 4-48

4-36 Instruments and Controls
message stays on, the vehicle
should be taken to your dealer/
retailer for service as soon as
possible.
Fuel System Messages
Fuel Level Low
This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
Tighten Gas Cap
This message displays when the
fuel cap is not on tight. Tighten the
fuel cap.
Key and Lock Messages
No Remote Detected
This message displays when the
transmitter battery is weak on
vehicles with Keyless Access. See
“Starting the Vehicle with a Low
Battery”under“Remote Keyless
Transmitter Operation (Keyless
Access)” for more information.
Replace Battery In Remote Key
This message displays when the
battery in the Remote Keyless Entry
(RKE) transmitter needs to be
replaced.
Lamp Messages
AFL (Adaptive Forward
Lighting) Lamps Need Service
This message displays when the
Adaptive Forward Lighting (AFL)
system is disabled and needs
service. See your dealer/retailer.
SeeAdaptive Forward Lighting
(AFL)
on page 5‑3for more
information.
Ride Control System
Messages
Service Rear Axle
This message displays when there
is a problem with the All-Wheel
Drive (AWD) System. See your
dealer/retailer for service.
Service Traction Control
This message displays when there
is a problem with the Traction
Control System (TCS). When this
message is displayed, the system
will not limit wheel spin. Adjust your
driving accordingly. See your dealer/
retailer for service.
Service Stabilitrak
This message displays if there is a
problem with the StabiliTrak®
system. If this message appears, try
to reset the system. Stop; turn off
the engine for at least 15 seconds;
then start the engine again. If this
message still comes on, it means
there is a problem. See your dealer/
retailer for service. The vehicle is
safe to drive, however, you do not
have the benefit of StabiliTrak, so
reduce your speed and drive
accordingly.

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