
Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
98 Seats and Restraints
through or around the restraint.
The child restraint instructions
will show you how.
4. Push the latch plate into thebuckle until it clicks.
Position the release button on
the buckle, away from the child
restraint system, so that the
seat belt could be quickly
unbuckled if necessary.
5. Pull the shoulder belt all theway out of the retractor to set
the lock. When the retractor
lock is set, the belt can be
tightened but not pulled out of
the retractor.6. To tighten the belt, push downon the child restraint, pull the
shoulder portion of the belt to
tighten the lap portion of the
belt, and feed the shoulder belt
back into the retractor. When
installing a forward-facing child
restraint, it may be helpful to
use your knee to push down on
the child restraint as you
tighten the belt.
Try to pull the belt out of the
retractor to make sure the
retractor is locked. If the
retractor is not locked, repeat
Steps 5 and 6.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
Instruments and Controls 103
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . 104
Steering Wheel Controls . . . . . . 104
Heated Steering Wheel . . . . . . . 104
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Windshield Wiper/Washer . . . . 105
Compass . . . . . . . . . . . . . . . . . . . . . 106
Clock . . . . . . . . . . . . . . . . . . . . . . . . . 106
Power Outlets . . . . . . . . . . . . . . . . 106
Wireless Charging . . . . . . . . . . . . 108
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 109
Instrument Cluster . . . . . . . . . . . . 110
Speedometer . . . . . . . . . . . . . . . . . 112
Odometer . . . . . . . . . . . . . . . . . . . . . 112
Tachometer . . . . . . . . . . . . . . . . . . . 112
Fuel Gauge . . . . . . . . . . . . . . . . . . . 113
Driver Efficiency Gauge (eAssist) . . . . . . . . . . . . . . . . . . . . 114
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 114
Seat Belt Reminders . . . . . . . . . . 115
Airbag Readiness Light . . . . . . . 115 Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . 116
Charging System Light . . . . . . . 117
Malfunction Indicator Lamp (Check Engine Light) . . . . . . . . 117
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . 119
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 119
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . 120
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . 120
Lane Keep Assist (LKA) Light . . . . . . . . . . . . . . . . . . . . . . . . 120
Vehicle Ahead Indicator . . . . . . 121
Traction Off Light . . . . . . . . . . . . . 121
StabiliTrak OFF Light . . . . . . . . . 121
Traction Control System (TCS)/ StabiliTrak Light . . . . . . . . . . . . . 122
Engine Coolant Temperature Warning Light . . . . . . . . . . . . . . . 122
Tire Pressure Light . . . . . . . . . . . 122
Engine Oil Pressure Light . . . . 123
Low Fuel Warning Light . . . . . . 123
Security Light . . . . . . . . . . . . . . . . . 124
High-Beam On Light . . . . . . . . . . 124
Adaptive Forward Lighting (AFL) Light . . . . . . . . . . . . . . . . . . 124
Front Fog Lamp Light . . . . . . . . . 124
Lamps On Reminder . . . . . . . . . 124 Cruise Control Light . . . . . . . . . . 125
Door Ajar Light . . . . . . . . . . . . . . . 125
Information Displays
Power Flows (eAssist) . . . . . . . . 125
Energy Information
(eAssist) . . . . . . . . . . . . . . . . . . . . 126
Driver Information Center (DIC) . . . . . . . . . . . . . . . . 126
Head-Up Display (HUD) . . . . . . 129
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . 132
Engine Power Messages . . . . . 132
Vehicle Speed Messages . . . . . 133
Vehicle Personalization
Vehicle Personalization . . . . . . . 133
Universal Remote System
Universal Remote System . . . . 140
Universal Remote System Programming . . . . . . . . . . . . . . . 140
Universal Remote System Operation . . . . . . . . . . . . . . . . . . . 142

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
104 Instruments and Controls
Controls
Steering Wheel
Adjustment
To adjust the steering wheel:1. Pull the lever down.
2. Move the steering wheel up or down.
3. Pull or push the steering wheel closer or away from you.
4. Pull the lever up to lock the steering wheel in place.
Do not adjust the steering wheel
while driving. Power Tilt and Telescoping
Steering Wheel
To adjust the steering wheel,
if equipped:
Press the control up or down to tilt
the steering wheel upwards or
downwards.
Press the control forward or
rearward to move the steering wheel
closer or away from you.
Do not adjust the steering wheel
while driving.
Steering Wheel Controls
The infotainment system can be
operated by using the steering
wheel controls. See "Steering
Wheel Controls" in the infotainment
manual.
Heated Steering Wheel
(:
If equipped, press to turn on or
off. A light near the button displays
when the feature is turned on.
The steering wheel takes about
three minutes to start heating.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
Instruments and Controls 105
Horn
Pressaon the steering wheel pad
to sound the horn.
Windshield Wiper/Washer
With the ignition on or in ACC/
ACCESSORY, move the windshield
wiper lever to select the wiper
speed.
HI : Use for fast wipes.
LO : Use for slow wipes.
INT : Use for intermittent wipes. To
adjust wipe frequency, turn the band
up for more frequent wipes or down
for less frequent wipes.
OFF : Use to turn the wipers off.
1x : For a single wipe, briefly move
the wiper lever down. For several
wipes, hold the wiper lever down.
f: Pull the windshield wiper
lever toward you to spray windshield
washer fluid and activate the wipers.
The wipers will continue until the
lever is released or the maximum
wash time is reached. When the
lever is released, additional wipes
may occur depending on how long
the windshield washer had been activated. See
Washer Fluid0245
for information on filling the
windshield washer fluid reservoir.
{Warning
In freezing weather, do not use
the washer until the windshield is
warmed. Otherwise the washer
fluid can form ice on the
windshield, blocking your vision.
Clear snow and ice from the wiper
blades before using them. If frozen
to the windshield, carefully loosen or
thaw them. Damaged blades should
be replaced. See Wiper Blade
Replacement 0249.
Heavy snow or ice can overload the
wiper motor.
Wipe Parking
If the ignition is turned off while the
wipers are on LO, HI, or INT, they
will immediately stop.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
106 Instruments and Controls
If the windshield wiper lever is then
moved to OFF before the driver
door is opened or within 10 minutes,
the wipers will restart and move to
the base of the windshield.
If the ignition is turned off while the
wipers are performing wipes due to
windshield washing, the wipers
continue to run until they reach the
base of the windshield.
Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass receives
its heading and other information
from the Global Positioning
System (GPS) antenna, StabiliTrak,
and vehicle speed information.
The compass system is designed to
operate for a certain number of
miles or degrees of turn before
needing a signal from the GPS
satellites. When the compass
display shows CAL, drive the
vehicle for a short distance in an
open area where it can receive a
GPS signal. The compass systemwill automatically determine when a
GPS signal is restored and provide
a heading again.
Clock
Setting the Time and Date
To set the time or date:
1. Select SETTINGS from the Home Page, then select Time
and Date.
2. Select the desired function.
To set the time or date, touch
«or
ªto change the hour, minutes,
AM, PM, day, month, or year.
To change the 12-24Hr setting,
touch 12-24Hr.
To turn clock display on and off,
touch Clock Display, then select Off
or On.
To turn Auto Set on and off, touch
Auto Set, then select Off or On.
If auto timing is set, the time
displayed on the clock may not
update immediately when driving
into a new time zone. Auto set requires an active OnStar
®
subscription.
Touch
[to go to the last menu and
save the changes or
{to return to
the Home Page.
Power Outlets
Power Outlets 12-Volt Direct
Current
The 12-volt power outlets can be
used to plug in electrical equipment,
such as a cell phone or MP3 player.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
120 Instruments and Controls
Service Electric Parking
Brake Light
This light should come on briefly
when starting the vehicle. If it does
not come on, have it fixed so it will
be ready to warn if there is a
problem.
If this light stays on, take the vehicle
to your dealer as soon as possible.
See the information for the Electric
Parking Brake underElectric
Parking Brake 0188. A message
may also display in the Driver
Information Center (DIC).
Antilock Brake System
(ABS) Warning Light
This light comes on briefly when the
engine is started.
If the light does not come on, have it
fixed so it will be ready to warn if
there is a problem.
If the light comes on while driving,
stop as soon as it is safely possible
and turn off the vehicle. Then start
the engine again to reset the
system. If the ABS light stays on,
or comes on again while driving, the
vehicle needs service. A chime may
also sound when the light comes on
steady.
If the ABS light is the only light on,
the vehicle has regular brakes, but
the antilock brakes are not
functioning. If both the ABS and the brake
system warning light are on, the
vehicle's antilock brakes are not
functioning and there is a problem
with the regular brakes. See your
dealer for service.
See
Brake System Warning Light
0 119.Lane Keep Assist (LKA)
Light
This light is green if LKA is available
to assist.
LKA may assist by gently turning
the steering wheel if the vehicle
approaches a detected lane marking
without using the turn signal in that
direction. The LKA light will turn
amber.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
134 Instruments and Controls
Time and Date
Manually set the time and date. See
Clock0106.
Rear Seat Reminder
This allows for a chime and a
message when the rear door has
been opened before or during
operation of the vehicle.
Select Off or On.
Language
Select Language, then select from
the available language(s).
Valet Mode
To turn Valet Mode on and off, see
“Valet Mode” under“Setting Radio
Preferences” in the infotainment
manual.
Teen Driver
See “Teen Driver” under“Settings”
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 Speed
. Air Quality Sensor
. Auto Defog
. Auto Rear Defog
. Ionizer Auto Fan Speed
This feature will set the 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.
Auto Defog
If equipped, the front defog will
automatically react to temperature
and humidity conditions that may
cause fogging.
Select Off or On.
Auto Rear Defog
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.

Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada-10999169) -
2018 - crc - 3/28/17
136 Instruments and Controls
.Extended Hill Start Assist
Auto Memory Recall
This feature automatically recalls
the current driver ’s previously stored
1 or 2 button positions when the
ignition is turned on. See Memory
Seats 055.
Select Off or On.
Easy Exit Options
This feature automatically recalls
the previously stored Exit button
position when exiting the vehicle.
See Memory Seats 055.
Select Off or On.
Chime Volume
This allows the selection of the
chime volume level.
Touch + or −to adjust the volume.
Reverse Tilt Mirror
When on, both the driver and
passenger outside mirrors will tilt
downward when the vehicle is
shifted to R (Reverse) to improve
visibility of the ground near the rear
wheels. They will return to their previous driving position when the
vehicle is shifted out of R (Reverse)
or the engine is turned off.
Select Off, On - Driver and
Passenger, On - Driver, or On -
Passenger.
Extended Hill Start Assist
This allows the duration of the Hill
Start Assist to be changed.
Select Extended Hold or
Standard Hold.
Lighting
Select and the following may be
displayed:
.
Vehicle Locator Lights
. Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior
lamps when
Kon the Remote
Keyless Entry (RKE) transmitter is
pressed to locate the vehicle.
Select Off or On. Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside.
Select Off, 30 Seconds, 60
Seconds, or 120 Seconds.
Power Door Locks
Select and the following may be
displayed:
.
Unlocked Door Anti Lock Out
. Auto Door Unlock
. Delayed Door Lock
Unlocked Door Anti Lock Out
When on, this feature will keep the
driver door from locking when the
door is open. If Off is selected, the
Delayed Door Lock menu will be
available.
Select Off or On.
Auto Door Unlock
This allows selection of which of the
doors will automatically unlock when
the vehicle is shifted into P (Park).
Select Off, All Doors, or Driver Door.