2016 BUICK LACROSSE instrument cluster

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Vehicle Care 245
The coolant surge tank pressure
cap can be removed when the
cooling system, including the surge
tank pressure cap and upper
radiator hose, is no longer hot.1. Turn the pressure cap slowly counterclockwise. If a hiss is
heard, wait for that to stop.
A hiss means there is still
some pressure left.
2. Keep turning the cap and remove it.
3. Fill the coolant surge tank withthe proper mixture to the mark
pointed to on the front of the
coolant surge tank.
4. With the coolant surge tank cap off, start the engine and let
it run until the upper radiator
hose starts getting hot. Watch
out for the engine cooling fans.
By this time, the coolant level
inside the coolant surge tank
may be lower. If the level is
lower, add more of the proper
mixture to the coolant surge
tank until the level reaches the
mark pointed to on the front of
the coolant surge tank. 5. Replace the cap tightly.
Caution
If the pressure cap is not tightly
installed, coolant loss and
possible engine damage may
occur. Be sure the cap is properly
and tightly secured.
Engine Overheating
There is a coolant temperature
gauge and a engine coolant
temperature warning light on the
instrument cluster that indicate an
overheated engine condition. See
Engine Coolant Temperature Gauge
0
111 and Engine Coolant
Temperature Warning Light 0118.
If the decision is made not to lift the
hood when this warning appears,
get service help right away. See
Roadside Assistance
Program 0334.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Vehicle Care 263
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.Fuses Usage
1 APO 3
2 Body control module 7
3 Steering wheel controls backlight
4 Radio/Human machine interface/
Rear auxiliary audio
jack/Front auxiliary
audio video jack/
Touchpad/Remote
media player/Bluray
remote media player
5 OnStar/Universal hands–free phone
6 Power outlet 1
7 Power outlet 2
8 Body control module 1
9 Body control module 4 Fuses Usage
10 Body control module 8
11 Front HVAC/Blower
12 Passenger seat
13 Driver seat
14 Diagnostic link connector
15 Airbag/Automatic occupant sensing
16 Trunk
17 HVAC Controller
18 Pre-fuse for fuses 4 and 5
19 Center stack displays/Head-up
display/Right
steering wheel
control switch/Rear
seat infotainment
display (eAssist)/
HVAC/Center stack
displays Fuses Usage
20 Rear seat entertainment
display/Rear seat
audio
21 Instrument cluster
22 Discrete logic ignition switch
23 Body control module 3
24 Body control module 2
25 Rear HVAC/Blower
26 AC DC inverter
Relays Usage R1 Trunk relay
R2 –
R3 Power outlet relay

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
274 Vehicle Care
alternate tires and wheels allow the
TPMS to continue to function
properly.
SeeTire Pressure Monitor
Operation 0274.
See Radio Frequency
Statement 0341.
Tire Pressure Monitor
Operation
This vehicle may have a Tire
Pressure Monitor System (TPMS).
The TPMS is designed to warn the
driver when a low tire pressure
condition exists. TPMS sensors are
mounted onto each tire and wheel
assembly, excluding the spare tire
and wheel assembly. The TPMS
sensors monitor the air pressure in
the tires and transmits the tire
pressure readings to a receiver
located in the vehicle.
When a low tire pressure condition
is detected, the TPMS illuminates
the low tire pressure warning light
located on the instrument cluster.
If the warning light comes on, stop
as soon as possible and inflate the
tires to the recommended pressure
shown on the Tire and Loading
Information label. See Vehicle Load
Limits 0171.
A message to check the pressure in
a specific tire displays in the Driver
Information Center (DIC). The low
tire pressure warning light and the
DIC warning message come on at
each ignition cycle until the tires are
inflated to the correct inflation
pressure. Using the DIC, tire
pressure levels can be viewed. For
additional information and details
about the DIC operation and
displays see Driver Information
Center (DIC) 0123. The low tire pressure warning light
may come on in cool weather when
the vehicle is first started, and then
turn off as the vehicle is driven. This
could be an early indicator that the
air pressure is getting low and
needs to be inflated to the proper
pressure.
A Tire and Loading Information
label, attached to your vehicle,
shows the size of the original
equipment tires and the correct
inflation pressure for the tires when
they are cold. See
Vehicle Load
Limits 0171, for an example of the
Tire and Loading Information label
and its location. Also see Tire
Pressure 0271.
The TPMS can warn about a low
tire pressure condition but it does
not replace normal tire
maintenance. See Tire Inspection
0 277, Tire Rotation 0277 and
Tires 0264.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Vehicle Care 309
Use a soft bristle brush to remove
dust from knobs and crevices on the
instrument cluster. Using a mild
soap solution, immediately remove
hand lotions, sunscreen, and insect
repellent from all interior surfaces or
permanent damage may result.
Use cleaners specifically designed
for the surfaces being cleaned to
prevent permanent damage. Apply
all cleaners directly to the cleaning
cloth. Do not spray cleaners on any
switches or controls. Remove
cleaners quickly.
Before using cleaners, read and
follow all safety instructions on the
label. While cleaning the interior,
open the doors and windows to get
proper ventilation.
To prevent damage, do not clean
the interior using the following
cleaners or techniques:
.Never use a razor or any other
sharp object to remove soil from
any interior surface.
. Never use a brush with stiff
bristles. .
Never rub any surface
aggressively or with too much
pressure.
. Do not use laundry detergents or
dishwashing soaps with
degreasers. For liquid cleaners,
use approximately 20 drops per
3.8 L (1 gal) of water.
A concentrated soap solution will
create streaks and attract dirt.
Do not use solutions that contain
strong or caustic soap.
. Do not heavily saturate the
upholstery when cleaning.
. Do not use solvents or cleaners
containing solvents.
Interior Glass
To clean, use a terry cloth fabric
dampened with water. Wipe droplets
left behind with a clean dry cloth.
If necessary, use a commercial
glass cleaner after cleaning with
plain water.
Caution
To prevent scratching, never use
abrasive cleaners on automotive
glass. Abrasive cleaners or
aggressive cleaning may damage
the rear window defogger.
Cleaning the windshield with water
during the first three to six months
of ownership will reduce tendency
to fog.
Speaker Covers
Vacuum around a speaker cover
gently, so that the speaker will not
be damaged. Clean spots with water
and mild soap.
Coated Moldings
Coated moldings should be cleaned.
. When lightly soiled, wipe with a
sponge or soft, lint-free cloth
dampened with water.
. When heavily soiled, use warm
soapy water.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Service and Maintenance 321
The following list is intended to
explain the services and conditions
to look for that may indicate
services are required.
Battery
The 12-volt battery supplies power
to start the engine and operate any
additional electrical accessories.
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
. Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
. Belts may need replacing if they
squeak or show signs of
cracking or splitting.
. Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary. Brakes
Brakes stop the vehicle and are
crucial to safe driving.
.
Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
. Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants 0323 for GM approved
fluids.
. Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled. Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.
Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Index 357
CleaningExterior Care . . . . . . . . . . . . . . . . . 304
Interior Care . . . . . . . . . . . . . . . . . . 308
Climate Control Systems Dual Automatic . . . . . . . . . . . . . . . 157
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Cluster, Instrument . . . . . . . . . . . . . 106
Collision Damage Repair . . . . . . . 337
Compact Spare Tire . . . . . . . . . . . . 296
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . 97
Compass . . . . . . . . . . . . . . . . . . . . . . . 103 Messages . . . . . . . . . . . . . . . . . . . . 131
Compressor Kit, Tire Sealant . . . 285
Connections OnStar
®. . . . . . . . . . . . . . . . . . . . . . 347
Control Traction and ElectronicStability . . . . . . . . . . . . . . . . . . . . . 192
Control of a Vehicle . . . . . . . . . . . . . 165
Convenience Net . . . . . . . . . . . . . . . . 99
Convex Mirrors . . . . . . . . . . . . . . . . . . 43
Coolant Engine . . . . . . . . . . . . . . . . . . . . . . . . 243
Engine Temperature Gauge . . . 111
Engine TemperatureWarning Light . . . . . . . . . . . . . . . .118
Cooling System . . . . . . . . . . . . . . . . . 242 Cooling System (cont'd)
Engine Messages . . . . . . . . . . . . 132
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . . 336
Cruise Control . . . . . . . . . . . . . . . . . . 195 Light . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Messages . . . . . . . . . . . . . . . . . . . . 131
Cruise Control, Adaptive . . . . . . . . 197
Cupholders . . . . . . . . . . . . . . . . . . . . . . 97
Customer Assistance . . . . . . . . . . . 333 Offices . . . . . . . . . . . . . . . . . . . . . . . . 332
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 333
Customer Information
Service PublicationsOrdering Information . . . . . . . . 340
Customer Satisfaction Procedure . . . . . . . . . . . . . . . . . . . . . 330
D
Damage Repair, Collision . . . . . . . 337
Danger, Warning, and Caution . . . . 2
Data Recorders, Event . . . . . . . . . 343
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 149
Defensive Driving . . . . . . . . . . . . . . . 165
Delayed Locking . . . . . . . . . . . . . . . . . 36
Diagnostics OnStar
®. . . . . . . . . . . . . . . . . . . . . . 349 Differential, Limited-Slip . . . . . . . . 194
Distracted Driving . . . . . . . . . . . . . . . 164
Dome Lamps . . . . . . . . . . . . . . . . . . . 152
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 121
Ajar Messages . . . . . . . . . . . . . . . 132
Delayed Locking . . . . . . . . . . . . . . . . 36
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Power Locks . . . . . . . . . . . . . . . . . . . . 36
Drive Belt Routing, Engine . . . . . . 329
Drive Systems All-Wheel Drive . . . . . . . . . . 189, 251
Driver Assistance Systems . . . . . 204
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . 123
Driving
Assistance Systems . . . . . . . . . . 207
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 220
Defensive . . . . . . . . . . . . . . . . . . . . . 165
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . 165
For Better Fuel Economy . . . . . . . 25
Hill and Mountain Roads . . . . . . 168
If the Vehicle is Stuck . . . . . . . . . 170
Loss of Control . . . . . . . . . . . . . . . 167
Off-Road Recovery . . . . . . . . . . . 167
Vehicle Load Limits . . . . . . . . . . . 171
Wet Roads . . . . . . . . . . . . . . . . . . . 168

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
360 Index
IndicatorVehicle Ahead . . . . . . . . . . . . . . . . .117
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 79
Information Energy . . . . . . . . . . . . . . . . . . . . . . . 123
Infotainment . . . . . . . . . . . . . . . . . . . . 156
Infotainment System . . . . . . . . . . . . 344
Instrument Cluster . . . . . . . . . . . . . . 106
Interior Rearview Mirrors . . . . . . . . . 44
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North
America . . . . . . . . . . . . . . . . . . 297, 298
K
Key and Lock Messages . . . . . . . . 133
Keyless EntryRemote (RKE) System . . . . . . . . . 28
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
L
Labeling, Tire Sidewall . . . . . . . . . . 266
Lamps Daytime Running (DRL) . . . . . . 149
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 152
Exterior Controls . . . . . . . . . . . . . . 148
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . 149 Lamps (cont'd)
Headlamps, Front Turn
Signal, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 255
License Plate . . . . . . . . . . . . . . . . . 256
Malfunction Indicator . . . . . . . . . .114
Messages . . . . . . . . . . . . . . . . . . . . 134
On Reminder . . . . . . . . . . . . . . . . . 121
Reading . . . . . . . . . . . . . . . . . . . . . . 153
Sun Visor . . . . . . . . . . . . . . . . . . . . . 153
Lane Change Alert (LCA) . . . . . . . 211
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . . 213
Lane Departure Warning
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Lap-Shoulder Belt . . . . . . . . . . . . . . . 61
LATCH System Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . . 91
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . 84
LED Lighting . . . . . . . . . . . . . . . . . . . . 254
Light Adaptive Forward Lighting(AFL) Light . . . . . . . . . . . . . . . . . . 120
Lighting Adaptive Forward . . . . . . . . . . . . . 150
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 153 Lighting (cont'd)
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Illumination Control . . . . . . . . . . . 152
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 Airbag Readiness . . . . . . . . . . . . . .112
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . . .117
Brake System Warning . . . . . . . .115
Charging System . . . . . . . . . . . . . .113
Cruise Control . . . . . . . . . . . . . . . . 121
Door Ajar . . . . . . . . . . . . . . . . . . . . . 121
Electric Parking Brake . . . . . . . . .116
Engine Coolant
Temperature Warning . . . . . . . .118
Engine Oil Pressure . . . . . . . . . . .119
Flash-to-Pass . . . . . . . . . . . . . . . . . 149
Front Fog Lamp . . . . . . . . . . . . . . 121
High-Beam On . . . . . . . . . . . . . . . . 120
High/Low Beam Changer . . . . . 149
Lane Departure Warning . . . . . . .117
Low Fuel Warning . . . . . . . . . . . . 120
Safety Belt Reminders . . . . . . . . . 111
Security . . . . . . . . . . . . . . . . . . . . . . 120
Service Electric Parking Brake . . . . . . . . . . . . . . . . . . . . . . . .116
StabiliTrak
®OFF . . . . . . . . . . . . . .118
Tire Pressure . . . . . . . . . . . . . . . . . .119