2013 BUICK LACROSSE engine

Black plate (23,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
In Brief 1-23
tire pressures are getting low and
the tires need to be inflated to the
proper pressure.
The TPMS does not replace normal
monthly tire maintenance. Maintain
the correct tire pressures.
SeeTire Pressure Monitor System
on page 10‑50.
Tire Sealant and
Compressor Kit
This vehicle may come with a spare
tire and tire changing equipment or
a tire sealant and compressor kit.
The kit can be used to temporarily
seal small punctures in the tread
area of the tire. See Tire Sealant
and Compressor Kit (With Pressure
Relief Button) on page 10‑64 orTire
Sealant and Compressor Kit (With
Pressure Deflation Button) on
page 10‑71.
If the vehicle came with a spare tire
and tire changing equipment, see If
a Tire Goes Flat on page 10‑62.
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change.
Resetting the Oil Life System
1. Turn the ignition to ON/RUN with the engine off.
2. Press the DIC MENU button on the turn signal lever to enter the
Vehicle Information Menu. Use
the thumbwheel to scroll through
the menu items until you reach
REMAINING OIL LIFE.
3. Press the SET/CLR button to reset the oil life at 100%.
4. Turn the ignition to LOCK/OFF.
See Engine Oil Life System on
page 10‑13.
Fuel E85 (85% Ethanol)
Vehicles that have a yellow fuel cap
can use either unleaded gasoline or
ethanol fuel containing up to 85%
ethanol (E85). See Fuel E85 (85%
Ethanol) on page 9‑49. For all other
vehicles, use only the unleaded
gasoline described under
Recommended Fuel on page 9‑47.
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible.
.Avoid fast starts and accelerate
smoothly.
.Brake gradually and avoid
abrupt stops.
.Avoid idling the engine for long
periods of time.
.When road and weather
conditions are appropriate, use
cruise control.

Black plate (6,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
2-6 Keys, Doors, and Windows
2. Insert the vehicle key of the newtransmitter into the key lock
cylinder located on the outside
of the driver door and turn the
key to the unlock position five
times within 10 seconds.
The Driver Information Center
(DIC) displays READY FOR
REMOTE #2, 3, 4 or 5.
3. 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.
4. Press the ignition. When the transmitter is learned, the DIC
will show that it is ready to
program the next transmitter.
5. Remove the transmitter from the transmitter pocket and press
K.
To program additional
transmitters, repeat Steps 3–5. When all additional transmitters
are programmed, press and hold
the ignition for 10 seconds to
exit programming mode.
Programming without a
Recognized Transmitter (Keyless
Access Vehicles Only)
If there are no currently recognized
transmitters available, follow this
procedure to program up to eight
transmitters. This feature is not
available in Canada. This procedure
will take approximately 30 minutes
to 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 the transmitter into the key lock
cylinder located on the outside
of the driver door and turn the
key to the unlock position five
times within 10 seconds.
The Driver Information Center
(DIC) displays REMOTE LEARN
PENDING, PLEASE WAIT. 2. Wait for 10 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.

Black plate (7,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Keys, Doors, and Windows 2-7
5. Press the ignition. When thetransmitter is learned the DIC
will show that it is ready to
program the next transmitter.
6. Remove the transmitter from the transmitter pocket and press
K.
To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and hold
the ignition for 10 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.
3. With the vehicle in P (Park) or N (Neutral), press the brake
pedal and the START/STOP
button. See Starting the Engine
on page 9‑19 for additional
information about the vehicle's
keyless ignition with pushbutton
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”
under Key and Lock
Messages on page 5‑36.
The battery is not rechargeable. To
replace the battery:
1. Push the button on the transmitter to extend the key.
2. Remove the battery cover by prying it with a finger.
3. Remove the battery by pushing on the battery and sliding it
toward the key blade.
4. Insert the new battery, positive side facing up. Push the battery
down until it is held in place.
Replace with a CR2032 or
equivalent battery.
5. Snap the battery cover back on to the transmitter.

Black plate (8,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
2-8 Keys, Doors, and Windows
Remote Vehicle Start
If available, this feature allows the
engine to be started from outside
the vehicle.
The
/button will be on the RKE
transmitter if the vehicle has remote
start.
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. Aim the RKE transmitter at the vehicle.
2. Press and release
Q. 3. Immediately after completing
Step 2, press and hold
/for at
least two seconds or until the
turn signal lamps flash. The turn
signal lamps flashing confirms
the request to remote start the
vehicle has been received.
When the engine starts, the
parking lamps will turn on and
remain on as long as the engine
is running. The doors will be
locked and the climate control
system may come on.
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).
The climate control system will use
the previous setting during a remote
start. The rear defog may come on
during remote start based on cold
ambient conditions. The rear defog indicator light does not come on
during remote start. See
“Remote
Start Climate Control Operation” in
Dual Automatic Climate Control
System on page 8‑1. Vehicles with
heated or heated and ventilated
front seats can have this feature
turn on automatically during a
remote start. See “Remote Start
Heated Seats” and“Remote Start
Cooled Seats” underVehicle
Personalization on page 5‑39 for
more information.
Extending Engine Run Time
The engine will continue to run for
10 minutes. Repeat the steps for a
10-minute time extension. Remote
start can only be extended once.
When remote start is extended, the
second 10 minutes will start
immediately.
For example, if the vehicle has been
running for five minutes, and
10 minutes are added, the engine
will run for a total of 15 minutes.

Black plate (9,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Keys, Doors, and Windows 2-9
A maximum of two remote starts or
remote start attempts are allowed
between ignition cycles.
The vehicle's ignition must be
turned on and then back off before
the remote start procedure can be
used again.
Canceling a Remote Start
To cancel a remote start, do any of
the following:
.Aim the RKE transmitter at the
vehicle and press and hold
/
until the parking lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then off.
Conditions in Which Remote Start
Will Not Work
The remote start will not operate if:
.The key is in the ignition (key
access) or the ignition is in any
position other than OFF (keyless
access).
.The transmitter is in the vehicle
(keyless access).
.The hood is not closed.
.The hazard warning flashers
are on.
.There is an emission control
system malfunction.
.The engine coolant temperature
is too high.
.The oil pressure is low.
.Two remote vehicle starts have
already been used.
.The vehicle is not in P (Park).
Door Locks
{WARNING
Unlocked doors can be
dangerous.
.Passengers, especially
children, can easily open the
doors and fall out of a moving (Continued)
WARNING (Continued)
vehicle. The chance of being
thrown out of the vehicle in a
crash is increased if the
doors are not locked. So, all
passengers should wear
safety belts properly and the
doors should be locked
whenever the vehicle is
driven.
.Young children who get into
unlocked vehicles may be
unable to get out. A child can
be overcome by extreme heat
and can suffer permanent
injuries or even death from
heat stroke. Always lock the
vehicle whenever leaving it.
.Outsiders can easily enter
through an unlocked door
when slowing or stopping the
vehicle. Lock the doors to
help prevent this from
happening.

Black plate (11,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Keys, Doors, and Windows 2-11
Presso{to activate the safety
locks on the rear doors. The
indicator light comes on when
activated.
The rear door power windows are
also disabled.
Press
o {again to deactivate the
lockout switch.
If a rear door handle is pulled when
the safety lock is deactivated, that
door will remain locked and the
indicator light may flash. Release
the handle, then press the safety
lock twice to deactivate the safety
locks.
Doors
Trunk
{WARNING
Exhaust gases can enter the
vehicle if it is driven with the
liftgate, trunk/hatch open, or with
any objects that pass through the
seal between the body and the
trunk/hatch or liftgate. Engine
exhaust contains carbon
monoxide (CO) which cannot be
seen or smelled. It can cause
unconsciousness and even death.
If the vehicle must be driven with
the liftgate, or trunk/hatch open:
.Close all of the windows.
.Fully open the air outlets on
or under the instrument
panel.
(Continued)
WARNING (Continued)
.Adjust the climate control
system to a setting that
brings in only outside air and
set the fan speed to the
highest setting. See “Climate
Control Systems” in the
Index.
.If the vehicle has a power
liftgate, disable the power
liftgate function.
For more information about
carbon monoxide, see Engine
Exhaust on page 9‑26.

Black plate (13,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
Keys, Doors, and Windows 2-13
Disarming the System
To disarm the system, do one of the
following:
.PressKon the RKE transmitter.
.Unlock the vehicle with the RKE
transmitter (keyless access).
.Start the engine.
The alarm automatically disarms.
How to Detect a Tamper
Condition
IfKis pressed and the horn
sounds, an attempted break-in
occurred while the system was
armed.
If the alarm has been activated, a
message will appear on the DIC.
See Security Messages on
page 5‑37.
Immobilizer
See Radio Frequency Statement on
page 13‑20 for information
regarding Part 15 of the Federal Communications Commission (FCC)
rules and Industry Canada
Standards RSS-GEN/210/220/310.
Immobilizer Operation
(Key Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the key is
removed from the ignition.
The system is automatically
disarmed when the vehicle is
started with the correct key. The key
uses a transponder that matches an
immobilizer control unit in the
vehicle and automatically disarms
the system. Only the correct key
starts the vehicle. The vehicle may
not start if the key is damaged.The security light in the instrument
cluster comes on if there is a
problem with arming or disarming
the theft-deterrent system.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
ignition off and try again.
If the engine still does not start, and
the key appears to be undamaged
or the light continues to stay on, try
another ignition key.
If the engine still does not start with
the other key, the vehicle needs
service. If the vehicle does start, the
first key may be damaged. See your

Black plate (14,1)Buick LaCrosse Owner Manual - 2013 - crc - 9/7/12
2-14 Keys, Doors, and Windows
dealer who can service the
theft-deterrent system and have a
new key made.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.
Immobilizer Operation
(Keyless Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the transmitter
leaves the vehicle.
The immobilization system is
disarmed when the ignition button is
pushed in and a valid transmitter is
found in the vehicle.
The security light in the instrument
cluster comes on When there is a
problem with arming or disarming
the theft-deterrent system.
The system has one or more
transmitters matched to an
immobilizer control unit in your
vehicle. Only a correctly matched
transmitter will start the vehicle.
If the transmitter is ever damaged,
you may not be able to start your
vehicle.
When trying to start the vehicle, the
security light comes on briefly when
the ignition is turned on.
If the engine does not start and the
security light stays on, there is a
problem with the system. Turn the
vehicle off and try again.If the RKE transmitter appears to be
undamaged, try another transmitter.
Or, you may try placing the
transmitter in the transmitter pocket
in the center console. See
“Starting
the Vehicle with a Low Transmitter
Battery” underRemote Keyless
Entry (RKE) System Operation on
page 2‑3.
If the engine does not start with the
other transmitter or when the
transmitter is in the pocket in the
center console, your vehicle needs
service. See your dealer who can
service the theft-deterrent system
and have a new transmitter
programmed to the vehicle.
Do not leave the transmitter or
device that disarms or deactivates
the theft-deterrent system in the
vehicle.