
2010 Buick Lucerne Owner ManualM
In Brief. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Performance and Maintenance . . . . . . . . . . . . . . . . . . 1-21
Seats and Restraint System . . . . . . . . . . . . . . . . . . . . . . 2-1
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Child Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33
Airbag System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56
Restraint System Check . . . . . . . . . . . . . . . . . . . . . . . . . 2-74
Features and Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Starting and Operating Your Vehicle . . . . . . . . . . . . . 3-19
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33 Object Detection Systems . . . . . . . . . . . . . . . . . . . . . . . 3-37
Universal Home Remote System . . . . . . . . . . . . . . . . 3-44
Storage Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52
Instrument Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel Overview . . . . . . . . . . . . . . . . . . . . . . . 4-3
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Warning Lights, Gauges, and Indicators . . . . . . . . . 4-30
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 4-47
Audio System(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-74
Driving Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Your Driving, the Road, and the Vehicle . . . . . . . . . . 5-2
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-24
Service and Appearance Care . . . . . . . . . . . . . . . . . . . 6-1
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Checking Things Under the Hood . . . . . . . . . . . . . . . 6-12
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-49
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-52

Vehicle Symbol Chart
Here are some additional symbols that may be found on
the vehicle and what they mean. For more information
on the symbol, refer to the index.
9:Airbag Readiness Light
#:Air Conditioning
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls or OnStar®
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
i: Headlamp High/Low-Beam Changer
j:LATCH System Child Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
}:Power
/:Remote Vehicle Start
>:Safety Belt Reminders
7:Tire Pressure Monitor
F:Traction Control
M:Windshield Washer Fluid
v

Section 1 In Brief
Instrument Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Remote Keyless Entry (RKE) System . . . . . . . . . . . 1-4
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Trunk Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Seat Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Heated and Ventilated Seats . . . . . . . . . . . . . . . . . . . . 1-8
Head Restraint Adjustment . . . . . . . . . . . . . . . . . . . . . . 1-8
Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Sensing System for Passenger Airbag . . . . . . . . . . 1-9
Mirror Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Steering Wheel Adjustment . . . . . . . . . . . . . . . . . . . . 1-10
Interior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Exterior Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Windshield Wiper/Washer . . . . . . . . . . . . . . . . . . . . . . 1-13
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13 Vehicle Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Radio(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Satellite Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Portable Audio Devices . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Steering Wheel Controls . . . . . . . . . . . . . . . . . . . . . . . 1-16
Bluetooth
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Navigation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Driver Information Center (DIC) . . . . . . . . . . . . . . . . 1-18
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . 1-19
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . . 1-20
Ultrasonic Parking Assist . . . . . . . . . . . . . . . . . . . . . . 1-20
Power Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Universal Remote System . . . . . . . . . . . . . . . . . . . . . 1-21
Performance and Maintenance . . . . . . . . . . . . . . . . . .1-21
Traction Control System (TCS) . . . . . . . . . . . . . . . . 1-21
StabiliTrak
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
Tire Pressure Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
Tire Sealant and Compressor Kit . . . . . . . . . . . . . . 1-23
Engine Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 1-23
Fuel E85 (85% Ethanol) . . . . . . . . . . . . . . . . . . . . . . . 1-23
Driving for Better Fuel Economy . . . . . . . . . . . . . . . 1-23
Roadside Assistance Program . . . . . . . . . . . . . . . . . 1-24
OnStar
®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
1-1

When the vehicle 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.
The engine will continue to run for 10 minutes. Repeat
the steps for a 10-minute time extension. Remote start
can be extended only once.
Canceling a Remote Start
To cancel a remote start:
.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 ignition on and then back off.
See Remote Vehicle Start on page 3‑7.
Door Locks
From the outside, unlock the door using either the key
or the RKE transmitter.
From the inside, use the power door lock switches or
manual lock knobs located at the top of the door panel
near the window.
Power Door Locks
On vehicles with power door locks, the switches are
located on the front doors.
"(Unlock): Press to unlock the doors.
Q(Lock):Remove the key from the ignition and press
to lock the doors.
For more information, see:
.Door Locks on page 3‑9.
.Power Door Locks on page 3‑10.
.Remote Keyless Entry (RKE) System Operationon page 3‑4.
Trunk Release
In addition to the trunk release button on the RKE
transmitter, there is a remote release
Vbutton
located to the left of the steering wheel, next to the
instrument panel brightness control. Press to open the
trunk.
See Trunk on page 3‑12.
1-5

Universal Remote System
The Universal Home Remote System allows for garage
door openers, security systems, and home automation
devices to be programmed to work with these buttons in
the vehicle.
SeeUniversal Home Remote System
on page 3‑44.
Performance and Maintenance
Traction Control System (TCS)
The traction control system limits wheel spin. The
system turns on automatically every time the vehicle is
started.
.To turn off traction control, press and releaseiin
front of the shift lever.
Filluminates and the
appropriate DIC message is displayed. See DIC
Warnings and Messages on page 4‑55.
.Press and release the button again to turn on
traction control.
For more information, see Traction Control System
(TCS) on page 5‑6.
1-21

Memory Seat and Mirrors
On vehicles with the memory feature the buttons are
located on the driver's door.
1:Saves the seating position for driver 1.
2: Saves the seating position for driver 2.
B:Recalls the easy exit position.
For more programming information, see DIC Vehicle
Customization on page 4‑65.
To save your positions in memory:
1. Adjust the driver's seat, including the seatback recliner and lumbar, and both outside mirrors to
your preferred position.
2. Press and hold button 1 until two beeps sound to let you know that the position has been stored.
3. Repeat the procedure for a second driver using button 2.
The vehicle must be in P (Park) to recall your memory
positions.
Press and release either button to recall the stored
setting. Each time a memory button is pressed, a single
beep sounds. If you use the remote keyless entry transmitter to enter
your vehicle and the remote recall memory feature is
on, automatic seat and mirror movement occurs.
To stop recall movement of the memory feature, press
one of the power seat controls, memory buttons,
or power mirror buttons.
If something has blocked the driver's seat while
recalling a memory position, the driver's seat recall may
stop working. If this happens, press the control for the
area that is not recalling for two seconds, after the
obstruction is removed. Try recalling the memory
position again by pressing the appropriate memory
button. If the memory position is still not recalling, see
your dealer for service.
Easy Exit Seat
B
:
With the vehicle in P (Park), press to recall the exit
position.
You will hear a single beep and the driver's seat
moves back.
2-7

Section 3 Features and Controls
Keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Remote Keyless Entry (RKE) System . . . . . . . . . . . 3-4
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Remote Vehicle Start . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Doors and Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Programmable Automatic Door Locks . . . . . . . . . . 3-10
Rear Door Security Locks . . . . . . . . . . . . . . . . . . . . . . 3-11
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Power Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . .3-16
Content Theft-Deterrent . . . . . . . . . . . . . . . . . . . . . . . . 3-16
PASS-Key
®III+ Electronic Immobilizer . . . . . . . . . 3-17
PASS-Key®III+ Electronic Immobilizer
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Starting and Operating Your Vehicle
. . . . . . . . . . . .3-19
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Retained Accessory Power (RAP) . . . . . . . . . . . . . 3-21
Starting the Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Engine Coolant Heater . . . . . . . . . . . . . . . . . . . . . . . . . 3-23
Automatic Transmission Operation . . . . . . . . . . . . . 3-24
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27
Shifting Out of Park . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
Parking Over Things That Burn . . . . . . . . . . . . . . . . 3-30
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
Running the Vehicle While Parked . . . . . . . . . . . . . 3-32
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Automatic Dimming Rearview Mirror . . . . . . . . . . . 3-33
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33
Outside Power Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . 3-35
Outside Automatic Dimming Mirror . . . . . . . . . . . . . 3-35
Park Tilt Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Outside Convex Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Outside Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 3-36
3-1

Section 3 Features and Controls
Object Detection Systems. . . . . . . . . . . . . . . . . . . . . . .3-37
Ultrasonic Rear Parking Assist (URPA) . . . . . . . . 3-37
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . . 3-39
Lane Departure Warning (LDW) . . . . . . . . . . . . . . . 3-42
Universal Home Remote System . . . . . . . . . . . . . . . .3-44
Universal Home Remote System Operation (With Three Round LED) . . . . . . . . . . . . . . . . . . . . 3-44 Storage Areas
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Front Storage Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Center Console Storage . . . . . . . . . . . . . . . . . . . . . . 3-51
Center Flex Storage Unit . . . . . . . . . . . . . . . . . . . . . . 3-51
Rear Seat Armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Convenience Net . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52
3-2