
Black plate (8,1)Buick Regal Owner Manual - 2012
9-8 Driving and Operating
.Shift to a lower gear when going
down steep or long hills.
{WARNING
If you do not shift down, the
brakes could get so hot that they
would not work well. You would
then have poor braking or even
none going down a hill. You could
crash. Shift down to let the engine
assist the brakes on a steep
downhill slope.
{WARNING
Coasting downhill in N (Neutral)
or with the ignition off is
dangerous. The brakes will have
to do all the work of slowing down
and they could get so hot that
they would not work well. You
would then have poor braking or
even none going down a hill. You(Continued)
WARNING (Continued)
could crash. Always have the
engine running and the vehicle in
gear when going downhill.
.Stay in your own lane. Do not
swing wide or cut across the
center of the road. Drive at
speeds that let you stay in your
own lane.
.Be alert on top of hills,
something could be in your
lane (stalled car, accident).
.Pay attention to special road
signs (falling rocks area, winding
roads, long grades, passing or
no-passing zones) and take
appropriate action.
Winter Driving
Driving on Snow or Ice
Drive carefully when there is snow
or ice between the tires and the
road, creating less traction or grip. Wet ice can occur at about 0°C
(32°F) when freezing rain begins to
fall, resulting in even less traction.
Avoid driving on wet ice or in
freezing rain until roads can be
treated with salt or sand.
Drive with caution, whatever the
condition. Accelerate gently so
traction is not lost. Accelerating too
quickly causes the wheels to spin
and makes the surface under the
tires slick, so there is even less
traction.
Try not to break the fragile traction.
If you accelerate too fast, the drive
wheels will spin and polish the
surface under the tires even more.
The
Antilock Brake System (ABS)
on page 9‑33 improves vehicle
stability during hard stops on
slippery roads, but apply the brakes
sooner than when on dry pavement.
Allow greater following distance on
any slippery road and watch for
slippery spots. Icy patches can
occur on otherwise clear roads in
shaded areas. The surface of a

Black plate (1,1)Buick Regal Owner Manual - 2012
Vehicle Care 10-1
Vehicle Care
General Information
General Information . . . . . . . . . . 10-2
CaliforniaProposition 65 Warning . . . . 10-3
California Perchlorate Materials Requirements . . . . 10-3
Accessories and Modifications . . . . . . . . . . . . . . . 10-3
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . . 10-4
Hood . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . 10-6
Engine Oil . . . . . . . . . . . . . . . . . . 10-11
Engine Oil Life System . . . . . 10-13
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . 10-14
Manual Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . 10-15
Hydraulic Clutch . . . . . . . . . . . . 10-15
Engine Air Cleaner/Filter . . . . 10-15
Cooling System . . . . . . . . . . . . 10-18
Engine Coolant . . . . . . . . . . . . . 10-19
Engine Overheating . . . . . . . . 10-22 Power Steering Fluid
(2.0L and 2.4L without
eAssist ) . . . . . . . . . . . . . . . . . . 10-24
Power Steering Fluid (2.4L with eAssist) . . . . . . . . 10-25
Washer Fluid . . . . . . . . . . . . . . . 10-25
Brakes . . . . . . . . . . . . . . . . . . . . . 10-26
Brake Fluid . . . . . . . . . . . . . . . . . 10-27
Battery . . . . . . . . . . . . . . . . . . . . . 10-29
Starter Switch Check . . . . . . . 10-30
Automatic Transmission Shift Lock Control Function
Check . . . . . . . . . . . . . . . . . . . . . 10-31
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . 10-31
Park Brake and P (Park) Mechanism Check . . . . . . . . 10-31
Wiper Blade Replacement . . . . . . . . . . . . . . 10-32
Headlamp Aiming
Headlamp Aiming . . . . . . . . . . 10-33
Bulb Replacement
Bulb Replacement . . . . . . . . . . 10-33
Halogen Bulbs . . . . . . . . . . . . . . 10-33
High Intensity Discharge(HID) Lighting . . . . . . . . . . . . . 10-33 Headlamps, Front Turn
Signal and Parking
Lamps . . . . . . . . . . . . . . . . . . . . 10-34
Fog Lamps . . . . . . . . . . . . . . . . . 10-35
Taillamps, Turn Signal, Stoplamps, and Back-Up
Lamps . . . . . . . . . . . . . . . . . . . . 10-35
License Plate Lamp . . . . . . . . 10-36
Replacement Bulbs . . . . . . . . . 10-37
Electrical System
High Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . 10-37
Electrical System Overload . . . . . . . . . . . . . . . . . . 10-38
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-38
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . 10-39
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . 10-42
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . 10-44
All-Season Tires . . . . . . . . . . . . 10-45
Winter Tires . . . . . . . . . . . . . . . . 10-45
Summer Tires . . . . . . . . . . . . . . 10-46
Tire Sidewall Labeling . . . . . . 10-46
Tire Designations . . . . . . . . . . . 10-48

Black plate (45,1)Buick Regal Owner Manual - 2012
Vehicle Care 10-45
All-Season Tires
This vehicle may come with
all-season tires. These tires are
designed to provide good overall
performance on most road surfaces
and weather conditions. Original
equipment tires designed to GM's
specific tire performance criteria
have a TPC specification code
molded onto the sidewall. Original
equipment all-season tires can be
identified by the last two characters
of this TPC code, which will
be“MS.”
Consider installing winter tires on
the vehicle if frequent driving on
snow or ice covered roads is
expected. All-season tires provide
adequate performance for most
winter driving conditions, but they
may not offer the same level of
traction or performance as winter
tires on snow or ice covered roads.
See Winter Tires on page 10‑45.
Winter Tires
Consider installing winter tires on
the vehicle if frequent driving on
snow or ice covered roads is
expected. All season tires provide
good overall performance on most
surfaces, but they may not offer
the traction or the same level of
performance as winter tires on snow
or ice covered roads.
Winter tires, in general, are
designed for increased traction on
snow and ice covered roads. With
winter tires, there may be decreased
dry road traction, increased road
noise, and shorter tread life. After
changing to winter tires, be alert for
changes in vehicle handling and
braking. See your dealer for details
regarding winter tire availability and
proper tire selection. Also, see
Buying New Tires on page 10‑60.
If using snow tires:
.Use tires of the same brand and
tread type on all four wheel
positions.
.Use only radial ply tires of the
same size, load range, and
speed rating as the original
equipment tires.
Winter tires with the same speed
rating as the original equipment tires
may not be available for H, V, W, Y,
and ZR speed rated tires. If winter
tires with a lower speed rating are
chosen, never exceed the tire's
maximum speed capability.

Black plate (46,1)Buick Regal Owner Manual - 2012
10-46 Vehicle Care
Summer Tires
This vehicle may come with high
performance summer tires. These
tires have a special tread and
compound that are optimized for
maximum dry and wet road
performance. This special tread
and compound will decrease
performance in cold climates, and
on ice and snow. We recommend
installing winter tires on the vehicle
if frequent driving in cold
temperatures or on snow or ice
covered roads is expected. See
Winter Tires on page 10‑45.
Tire Sidewall Labeling
Useful information about a tire is
molded into its sidewall. The
examples show a typical
passenger vehicle tire and a
compact spare tire sidewall.
Passenger (P‐Metric) Tire Example
(A) Tire Size:The tire size is a
combination of letters and
numbers used to define a
particular tire's width, height,
aspect ratio, construction type,
and service description. See the
“Tire Size” illustration later in this
section for more detail. (B) TPC Spec (Tire
Performance Criteria
Specification)
:Original
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet or
exceed all federal safety
guidelines.
(C) DOT (Department of
Transportation)
:The
Department of Transportation
(DOT) code indicates that the
tire is in compliance with the
U.S. Department of
Transportation Motor Vehicle
Safety Standards.
(D) Tire Identification Number
(TIN)
:The letters and numbers
following the DOT (Department
of Transportation) code are the
Tire Identification Number (TIN).

Black plate (62,1)Buick Regal Owner Manual - 2012
10-62 Vehicle Care
The Tire and Loading
Information label indicates the
original equipment tires on the
vehicle. SeeVehicle Load Limits
on page 9‑10 for the label
location and more information
about the Tire and Loading
Information label.
Different Size Tires and
Wheels
If wheels or tires are installed that
are a different size than the original
equipment wheels and tires, vehicle
performance, including its braking,
ride and handling characteristics,
stability, and resistance to rollover
may be affected. If the vehicle has
electronic systems such as antilock
brakes, rollover airbags, traction
control, and electronic stability
control, the performance of these
systems can also be affected.
{WARNING
If different sized wheels are used,
there may not be an acceptable
level of performance and safety if
tires not recommended for those
wheels are selected. This
increases the chance of a crash
and serious injury. Only use GM
specific wheel and tire systems
developed for the vehicle, and
have them properly installed by a
GM certified technician.
See Buying New Tires on
page 10‑60 andAccessories and
Modifications on page 10‑3 for
additional information.
Uniform Tire Quality
Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width. For
example:
Treadwear 200 Traction AA
Temperature A
The following information relates
to the system developed by the
United States National Highway
Traffic Safety Administration
(NHTSA), which grades tires
by treadwear, traction, and
temperature performance. This
applies only to vehicles sold in
the United States. The grades
are molded on the sidewalls of
most passenger car tires. The
Uniform Tire Quality Grading
(UTQG) system does not apply
to deep tread, winter-type snow
tires, space-saver, or temporary

Black plate (2,1)Buick Regal Owner Manual - 2012
i-2 INDEX
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-29Jump Starting . . . . . . . . 10-89, 10-91
Power Protection . . . . . . . . . . . . . . 6-6
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-29
Blade Replacement, Wiper . . . 10-32
Bluetooth . . . . . . . . . . 7-36, 7-38, 7-41
Brake
System Warning Light . . . . . . . . 5-18
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-26
Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-33
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-36
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-27
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-34
System Messages . . . . . . . . . . . . 5-30
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Break-In, New Vehicle . . . . . . . . . 9-15
Bulb Replacement . . . . . . . . . . . . 10-37 Fog Lamps . . . . . . . . . . . . . 10-35, 6-4
Halogen Bulbs . . . . . . . . . . . . . . 10-33
Headlamp Aiming . . . . . . . . . . . 10-33
Headlamps . . . . . . . . . . . . . . . . . 10-33
Headlamps, Front TurnSignal, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . 10-34 Bulb Replacement (cont'd)
High Intensity Discharge
(HID) Lighting . . . . . . . . . . . . . 10-33
License Plate Lamps . . . . . . . 10-36
Taillamps, Turn Signal,
Stoplamps, and
Back-up Lamps . . . . . . . . . . . 10-35
Buying New Tires . . . . . . . . . . . . . 10-60
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-5
California Fuel Requirements . . . . . . . . . . . 9-47
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-3
Canadian Vehicle Owners . . . . . . . . iii
Capacities and Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 9-27
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Winter Driving . . . . . . . . . . . . . . . . . 9-8
Cargo Net . . . . . . . . . . . . . . . . . . . . . . 4-3
Cautions, Danger, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . iv CD Player . . . . . . . . . . . . . . . . . . . . . 7-24
Center Console Storage . . . . . . . . 4-3
Chains, Tire . . . . . . . . . . . . . . . . . . 10-65
Charging System Light . . . . . . . . 5-15
Check
Engine Light . . . . . . . . . . . . . . . . . . 5-15
IgnitionTransmission Lock . . . . . . . . 10-31
Child Restraints Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . 3-36
Lower Anchors and Tethers for Children . . . . . . . . . 3-42
Older Children . . . . . . . . . . . . . . . . 3-34
Securing . . . . . . . . . . . . . . . . 3-50, 3-52
Systems . . . . . . . . . . . . . . . . . . . . . . 3-39
Circuit Breakers . . . . . . . . . . . . . . 10-38
Cleaning Exterior Care . . . . . . . . . . . . . . . 10-98
Interior Care . . . . . . . . . . . . . . . 10-101
Climate Control Systems . . . . . . . 8-1
Air Conditioning . . . . . . . . . . . . . . . 8-1
Dual Automatic . . . . . . . . . . . . . . . . 8-3
Heating . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Cluster, Instrument . . . . . . . . . . . . . 5-9

Black plate (11,1)Buick Regal Owner Manual - 2012
INDEX i-11
T
Tachometer . . . . . . . . . . . . . . . . . . . . 5-11
TaillampsBulb Replacement . . . . . . . . . . 10-35
Text Telephone (TTY) Users . . . 13-6
Theft-Deterrent Systems . . . . . . . . . . . . . . . 2-13, 2-14
Immobilizer . . . . . . . . . . . . . . . . . . . 2-13
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Tires All-Season . . . . . . . . . . . . . . . . . . 10-45
Buying New Tires . . . . . . . . . . . 10-60
Chains . . . . . . . . . . . . . . . . . . . . . . 10-65
Changing . . . . . . . . . . . . . . . . . . . 10-83
Compact Spare . . . . . . . . . . . . . 10-89
Designations . . . . . . . . . . . . . . . 10-48
Different Size . . . . . . . . . . . . . . . 10-62
If a Tire Goes Flat . . . . . . . . . . 10-65
Inflation Monitor System . . . . 10-55
Inspection . . . . . . . . . . . . . . . . . . 10-58
Messages . . . . . . . . . . . . . . . . . . . . 5-34
Pressure . . . . . . . . . . . . . . . . . . . . 10-53
Pressure Light . . . . . . . . . . . . . . . . 5-22
Pressure Monitor System . . . 10-54
Rotation . . . . . . . . . . . . . . . . . . . . 10-58 Tires (cont'd)
Sealant and
Compressor Kit . . . . 10-67, 10-74
Sealant and Compressor
Kit, Storing . . . . . . . . . . . . . . . . 10-82
Sidewall Labeling . . . . . . . . . . . 10-46
Summer . . . . . . . . . . . . . . . . . . . . 10-46
Terminology and Definitions . . . . . . . . . . . . . . . . . 10-49
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . 10-62
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . 10-64
Wheel Replacement . . . . . . . . 10-64
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . 10-60
Winter . . . . . . . . . . . . . . . . . . . . . . 10-45
Towing
General Information . . . . . . . . . . 9-52
Recreational Vehicle . . . . . . . . 10-95
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-95
Traction Control System (TCS) . . . . . . . . 9-37
Control System (TCS)/
StabiliTrak
®Light . . . . . . . . . . . . 5-21
Off Light . . . . . . . . . . . . . . . . . . . . . . 5-20 Transmission
Automatic . . . . . . . . . . . . . . . . . . . . . 9-28
Fluid, Automatic . . . . . . . . . . . . 10-14
Fluid, Manual . . . . . . . . . . . . . . . 10-15
Messages . . . . . . . . . . . . . . . . . . . . 5-34
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . . . . 13-12
Trip Odometer . . . . . . . . . . . . . . . . . 5-11
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Turn Signal Bulb Replacement . . . . . . . . . . 10-35
U
Ultrasonic Parking Assist . . . . . . 9-44
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . 10-62
Universal Remote System . . . . . 5-39 Operation . . . . . . . . . . . . . . . . . . . . . 5-42
Programming . . . . . . . . . . . . . . . . . 5-39
Up-Shift Light . . . . . . . . . . . . . . . . . . 5-20
Using This Manual . . . . . . . . . . . . . . . . iv

Black plate (12,1)Buick Regal Owner Manual - 2012
i-12 INDEX
V
VehicleCanadian Owners . . . . . . . . . . . . . . . iii
Control . . . . . . . . . . . . . . . . . . . . . . . . 9-4
IdentificationNumber (VIN) . . . . . . . . . . . . . . . 12-1
Load Limits . . . . . . . . . . . . . . . . . . . 9-10
Messages . . . . . . . . . . . . . . . . . . . . 5-29
Personalization . . . . . . . . . . . . . . . 5-35
Remote Start . . . . . . . . . . . . . . . . . . 2-8
Security . . . . . . . . . . . . . . . . . . . . . . 2-12
Towing . . . . . . . . . . . . . . . . . . . . . . 10-95
Vehicle Care Storing the Tire Sealantand Compressor Kit . . . . . . . 10-82
Tire Pressure . . . . . . . . . . . . . . . 10-52
Ventilation, Air . . . . . . . . . . . . . . . . . . 8-7
Visors . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Voltage Devices and Wiring . . . . . . . . . . . . . . . . . . . . . . . 10-37
W
Warning
Brake System Light . . . . . . . . . . . 5-18
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . . . . . . . . . 5-8
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . iv Cautions and Danger . . . . . . . . . . . .iv
Hazard Flashers . . . . . . . . . . . . . . . 6-3
Washer Fluid . . . . . . . . . . . . . . . . . 10-25
Wheels Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . 10-64
Different Size . . . . . . . . . . . . . . . 10-62
Replacement . . . . . . . . . . . . . . . 10-64
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 10-60
Where to Put the Restraint . . . . 3-41 Windows . . . . . . . . . . . . . . . . . . . . . . 2-16
Messages . . . . . . . . . . . . . . . . . . . . 5-35
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Windshield Wiper/Washer . . . . . . . . . . . . . . . . . 5-3
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-8
Winter Tires . . . . . . . . . . . . . . . . . . 10-45
Wiper Blade Replacement . . . . 10-32
Wiring, High Voltage Devices . . . . . . . . . . . . . . . . . . . . . 10-37