climate control BUICK LACROSSE 2014 User Guide
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Page 49 of 402

Black plate (19,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/24/13
Keys, Doors, and Windows 2-19
See“Rear Window Defogger” under
Dual Automatic Climate Control
System on page 8-1.
Reverse Tilt Mirrors
If the vehicle is equipped with
memory mirrors, there is an option
to have the mirrors tilt down, when
in R (Reverse), to more easily see
the ground near the vehicle.
When the vehicle is shifted to
R (Reverse), both the driver and
passenger mirrors will tilt downward.
They will return to their previous
position when the vehicle is shifted
out of R (Reverse), the ignition is
turned to OFF, or the vehicle is left
in R (Reverse) for an extended
period of time.
This feature can be turned on or off.
See Vehicle Personalization on
page 5-43.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
See OnStar Overview on page 14-1.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Manual Rearview Mirror
If equipped, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind.
Automatic Dimming
Rearview Mirror
If equipped, automatic dimming
reduces the glare of the headlamps
from behind. This feature comes on
when the vehicle is started.
Page 63 of 402

Black plate (9,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
Seats and Restraints 3-9
Remove the obstruction; then press
and hold the appropriate manual
control for the memory item that is
not recalling for two seconds. Try
recalling the memory position again
by opening the driver door and
pressing the RKE transmitter
K
button. If the memory position is still
not recalling, see your dealer for
service.
Easy Exit Driver Seat
This feature moves the seat
rearward allowing the driver more
room to exit the vehicle.
To activate, place the ignition in
OFF and open the driver door. If the
driver door is already open, placing
the ignition in OFF will activate the
recall.
This feature is turned on or off using
the vehicle personalization menu.
SeeVehicle Personalization on
page 5-43.
To stop recall movement, press one
of the memory or power seat
controls. If something has blocked the driver
seat while recalling the exit position,
the recall may stop. Remove the
obstruction; then press and hold the
power seat control rearward for
two seconds. Try recalling the exit
position again. If the exit position is
still not recalling, see your dealer for
service.
Heated and Ventilated
Front Seats
{Warning
If you cannot feel temperature
change or pain to the skin, the
seat heater may cause burns. To
reduce the risk of burns, people
with such a condition should use
care when using the seat heater,
especially for long periods of
time. Do not place anything on
the seat that insulates against
heat, such as a blanket, cushion,
cover, or similar item. This may
(Continued)
Warning (Continued)
cause the seat heater to
overheat. An overheated seat
heater may cause a burn or may
damage the seat.
Heated and Ventilated Seat
Buttons Shown, Heated Seat Buttons Similar
If equipped, the buttons are part of
the climate control system on the
center stack. To operate, the ignition
and the climate control system must
Page 64 of 402

Black plate (10,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
3-10 Seats and Restraints
be on. If the climate control system
is off, press the
Obutton to turn
it on.
Press
MorLto heat the driver or
passenger seat cushion and
seatback.
Press
Cor{, if equipped, to
ventilate the driver or passenger
seat. A ventilated seat has a fan
that pulls or pushes air through the
seat. The air is not cooled.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
the next lower setting, and then to
the off setting. The lights near the
heated or ventilated seat symbol on
the display indicate three for the
highest setting and one for the
lowest.
If the heated seats are on high, the
level may automatically lower after
approximately 30 minutes.
The passenger seat may take
longer to heat up. Remote Start Auto Heated and
Ventilated Seats
During a remote start, the heated or
ventilated seats, if equipped, can be
turned on automatically. When it is
cold outside, the heated seats turn
on, and when it is hot outside the
ventilated seats turn on. The heated
or ventilated seats are canceled
when the ignition is turned on. Press
the button to use the heated or
ventilated seats after the vehicle is
started.
The heated or ventilated seat
indicator lights on the button do not
turn on during a remote start.
The heated seat temperature
performance of an unoccupied seat
may be reduced. This is normal.
The heated or ventilated seats will
not turn on during a remote start
unless they are enabled in the
vehicle personalization menu. See
Remote Vehicle Start on page 2-9
and
Vehicle Personalization on
page 5-43.
Rear Seats
Folding the Seatback
Either side of the seatback can be
folded down for more cargo space.
Fold a seatback only when the
vehicle is not moving.
{Caution
Folding a rear seat with the safety
belts still fastened may cause
damage to the seat or the safety
belts. Always unbuckle the safety
belts and return them to their
normal stowed position before
folding a rear seat.
Page 108 of 402

Black plate (2,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
4-2 Storage
If equipped, pull the second row
seat armrest down to access
cupholders.
Front Storage
Pull up on the handle and pull the
cover down to open.
If equipped, there is storage under
the climate controls. Press the
chrome area to open. There is a
power outlet inside.
Page 154 of 402

Black plate (44,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
5-44 Instruments and Controls
Personalization Menus
The following list of features may be
available:
.Time and Date
.Language [Language]
.Valet Mode
.Radio
.Vehicle
.Bluetooth
.Voice
.Display
.Rear Camera
.Return to Factory Settings
.Software Information
Each menu is detailed in the
following information.
Time and Date
Manually set the time and date. See
Clock on page 5-5.
Language [Language]
Select and the following may be
displayed:
.English US
.Francais Canadian
.Espanol Latino
Select the language.
Valet Mode
To turn Valet Mode on and off, see
Valet Mode under Setting Radio
Preferences in the infotainment
manual.
Radio
To manage the radio features, see
Radio Setup under Setting Radio
Preferences in the infotainment
manual.
Vehicle
Select and the following may be
displayed:
.Climate and Air Quality
.Collision/Detection Systems
.Comfort and Convenience
.Lighting
.Power Door Locks
.Remote Lock, Unlock, Start
Climate and Air Quality
Select and the following may be
displayed:
.Auto Fan Max Speed
.Air Quality Sensor
.Auto Defog
.Auto Rear Defog
Auto Fan Max Speed
This feature will set the maximum
auto fan speed.
Select Low, Medium, or High.
Air Quality Sensor
This feature may operate the
recirculation mode automatically.
Select Off, Low Sensitivity, or High
Sensitivity.
Page 155 of 402

Black plate (45,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
Instruments and Controls 5-45
Auto Defog
When set to On, the front defog will
automatically react to temperature
and humidity conditions that may
cause fogging. Only vehicles with
the dual automatic climate control
will have this option.
Select Off or On.
Auto Rear Defog
If equipped, this allows the Auto
Rear Defog to be turned on or off.
This feature will automatically turn
on the rear window defogger when it
is cold outside.
Select Off or On.
Collision / Detection Systems
Select and the following may be
displayed:
.Alert Type
.Auto Collision Preparation
.Go Notifier
.Side Blind Zone Alert
.Rear Cross Traffic AlertAlert Type
This feature allows the alert type to
be changed for the Safety
Alert Seat.
Select Beeps or Safety Alert Seat.
Auto Collision Preparation
This feature will turn on or off the
Forward Collision Alert feature as
well as the Automatic Braking
capability of the Auto Collision
Preparation feature. With the Alert
and Brake setting, both Forward
Collision Alert as well as the
Automatic Braking capability of the
Auto Collision Preparation feature
are available. The Alert setting
disables most automatic braking
functions of the Auto Collision
Preparation feature. Some
last-second automatic braking
capability is still provided with the
Alert setting, but it is much less
likely to be triggered by most driving
conditions. Off disables all Forward
Collision Alert and Automatic
Braking capabilities of the Auto
Collision Preparation feature. Select Off, Alert and Brake, or Alert.
Go Notifier
This feature will give a reminder that
Adaptive Cruise Control provides
when it has brought the vehicle to a
complete stop behind another
stopping vehicle, and then that
vehicle drives on.
Select Off or On.
See
Adaptive Cruise Control on
page 9-39.
Side Blind Zone Alert
This allows the feature to be turned
on or off.
Select Off or On.
See Side Blind Zone Alert (SBZA)
on page 9-54.
Rear Cross Traffic Alert
This allows the feature to be turned
on or off.
Select Off or On.
See Assistance Systems for Parking
or Backing on page 9-47.
Page 169 of 402

Black plate (7,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
Lighting 6-7
Exit Lighting
The headlamps, taillamps, parking
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 lamps and dome lamps
remain on after the door is closed
for a set amount of time, then
automatically turn off.
If equipped with Keyless Access,
the exterior lamps and dome lamps
automatically turn on when the
driver door is opened after the
ignition is turned off. SeeIgnition
Positions (Key Access) on
page 9-15 orIgnition Positions
(Keyless Access) on page 9-16.
The exterior lamps turn off
immediately by turning the exterior
lamp control off.
This feature can be changed. See
Vehicle Personalization on
page 5-43.
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
has a voltmeter gauge or a voltage
display on the Driver Information
Center (DIC), you may see the
voltage move up or down. This is
normal. If there is a problem, an
alert will be displayed.
The battery can be discharged at
idle if the electrical loads are very
high. This is true for all vehicles. This is because the generator
(alternator) may not be spinning fast
enough at idle to produce all of the
power needed for very high
electrical loads.
A high electrical load occurs when
several of the following are on, such
as: headlamps, high beams, fog
lamps, rear window defogger,
climate control fan at high speed,
heated seats, engine cooling fans,
trailer loads, and loads plugged into
accessory power outlets.
EPM works to prevent excessive
discharge of the battery. It does this
by balancing the generator's output
and the vehicle's electrical needs.
It can increase engine idle speed to
generate more power whenever
needed. It can temporarily reduce
the power demands of some
accessories.
Normally, these actions occur in
steps or levels, without being
noticeable. In rare cases at the
highest levels of corrective action,
this action may be noticeable to the
Page 173 of 402

Black plate (1,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
Climate Controls 8-1
Climate Controls
Climate Control Systems
Dual Automatic Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . 8-1
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-6
Maintenance
Air Intake . . . . . . . . . . . . . . . . . . . . . 8-6
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Service . . . . . . . . . . . . . . . . . . . . . . . 8-7
Climate Control Systems
Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
1. Driver and Passenger
Temperature Controls 2. Heated and Ventilated Front
Seats (If Equipped)
Page 174 of 402

Black plate (2,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
8-2 Climate Controls
3. Fan Control
4. Air Delivery Mode Controls
5. Defrost
6. SYNC (SynchronizedTemperature)
7. Power
8. A/C (Comfort and Eco Air Conditioning)
9. Recirculation
10. Rear Window Defogger
11. AUTO (Automatic Operation)
Climate Control Influence on
eAssist Operation and Fuel
Economy (If Equipped)
The climate control system depends
on other vehicle systems for heat
and power input. Certain climate
control settings can lead to higher
fuel usage and/or fewer auto stops.
The following are climate control
settings that use more fuel:
.Comfort air conditioning mode.
.The defrost mode.
.Extreme temperature settings,
such as 15°C (60°F) or 32°C
(90°F).
.High fan speed settings.
To help reduce fuel usage:
.Use the full automatic control as
described under “Automatic
Operation.”
.Select a temperature setting that
is higher in hot weather and
lower in cold weather.
.Turn off the air conditioning
when it is not needed.
.Only use defrost to clear the
windows.
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to
the desired temperature.
When the AUTO indicator light is
on, the system is in full automatic
operation. If the air delivery mode,
fan speed, recirculation, or air conditioning setting is adjusted, the
AUTO indicator turns off and the
selected settings will appear on the
display.
To place the system in automatic
mode do the following:
1. Press AUTO.
2. Set the temperature. Allow the
system time to stabilize. Adjust
the temperature as needed for
best comfort.
To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather. The recirculation
light will not come on. Press
@to
select recirculation; press it again to
select outside air.
Q/R(Driver and Passenger
Temperature Controls): The
temperature can be adjusted
separately for the driver and the
passenger. Press to increase or
decrease the temperature.
Page 175 of 402

Black plate (3,1)Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
6043609) - 2014 - 2nd Edition - 10/17/13
Climate Controls 8-3
SYNC (Synchronized
Temperature):Press to link all
climate zone settings to the driver
settings. The SYNC indicator light
will turn on. When the passenger
settings are adjusted, the SYNC
indicator light is off.
Manual Operation
O(Power): Press to turn the fan off
or on.
Q 9 R(Fan Control): Press to
increase or decrease the fan speed.
The fan speed setting appears on
the main display. Pressing either
button cancels automatic fan control
and the fan is controlled manually.
Press AUTO to return to automatic
operation.
Air Delivery Mode Controls:
Press
-,Y, or[to change the
direction of the airflow. The current
mode appears in the display screen.
Pressing either button cancels
automatic air delivery control and the direction of the airflow is
controlled manually. Press AUTO to
return to automatic operation.
To change the current mode, select
one of the following:
-(Defog):
Clears the windows of
fog or moisture. Air is directed to the
windshield and floor outlets.
Y(Vent): Air is directed to the
instrument panel outlets.
[(Floor): Air is directed to the
floor outlets.
0MAX (Defrost): Clears the
windshield of fog or frost more
quickly. Air is directed to the
windshield.
For best results, clear all snow and
ice from the windshield before
defrosting.
For eAssist vehicles that have the
auto defog feature, auto stops can
occur in defrost mode. In this mode,
the auto stops are shorter and less
frequent than other air delivery
modes to prevent window fogging. A/C (Comfort Air Conditioning):
Press to turn the air conditioning
system on or off. If the climate
control system is turned off or the
outside temperature falls below
freezing, the air conditioner will
not run.
Pressing this button cancels
automatic air conditioning and turns
off the air conditioner. Press AUTO
to return to automatic operation and
the air conditioner runs
automatically as needed. When the
indicator light is on, the air
conditioner runs automatically to
cool the air inside the vehicle or to
dry the air needed to defog the
windshield faster.
For eAssist vehicles, an auto stop
may occur if the climate control
system determines the a/c
compressor can be shut off and still
maintain comfort levels with minimal
windshield fogging.
Eco A/C (For eAssist Vehicles):
Press to cycle between the off, eco
and comfort air conditioning modes.