2012 BUICK REGAL bulb

Black plate (2,1)Buick Regal Owner Manual - 2012
2012 Buick Regal Owner ManualM
Driving and Operating. . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-15
Engine Exhaust . . . . . . . . . . . . . . 9-27
Automatic Transmission . . . . . . 9-28
Manual Transmission . . . . . . . . . 9-32
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-33
Ride Control Systems . . . . . . . . 9-37
Cruise Control . . . . . . . . . . . . . . . . 9-42
Object Detection Systems . . . . 9-44
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-46
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-52
Conversions and Add-Ons . . . 9-52 Vehicle Care
. . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-33
Bulb Replacement . . . . . . . . . . 10-33
Electrical System . . . . . . . . . . . . 10-37
Wheels and Tires . . . . . . . . . . . 10-44
Jump Starting . . . . . . . . . . . . . . . 10-89
Towing . . . . . . . . . . . . . . . . . . . . . . 10-95
Appearance Care . . . . . . . . . . . 10-98
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-9
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . 11-9
Recommended Fluids, Lubricants, and Parts . . . . . . 11-13
Maintenance Records . . . . . . . 11-16 Technical Data
. . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-17
Vehicle Data Recording and
Privacy . . . . . . . . . . . . . . . . . . . . 13-18
OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

Black plate (4,1)Buick Regal Owner Manual - 2012
6-4 Lighting
The turn and lane‐change signal
can be turned off manually by
moving the lever back to its original
position.
If after signaling a turn or lane
change, the arrow flashes rapidly or
does not come on, a signal bulb
might be burned out.
Replace any burned out bulbs. If the
bulb is not burned out, check the
fuse. SeeFuses and Circuit
Breakers on page 10‑38.Fog Lamps
To turn on the fog lamps, the ignition
and the headlamps or parking lamps
must be on.
If the fog lamps are turned on while
the exterior lamp switch is in the
AUTO position, the headlamps
come on automatically.
#(Fog Lamps): Press to turn on
or off. An indicator light on the
instrument panel cluster comes on
when the fog lamps are on.
Some localities have laws that
require the headlamps to be on
along with the fog lamps.
Interior Lighting
Instrument Panel
Illumination Control
The brightness of the instrument
panel lighting and steering wheel
controls can be adjusted.
D(Instrument Panel
Illumination): Move and hold the
thumbwheel up or down to brighten
or dim the lights.

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 (33,1)Buick Regal Owner Manual - 2012
Vehicle Care 10-33
Headlamp Aiming
Headlamp aim has been preset and
should need no further adjustment.
If the vehicle is damaged in a crash,
the headlamp aim may be affected.
If adjustment to the headlamps is
necessary, see your dealer.
Bulb Replacement
For the proper type of replacement
bulbs, seeReplacement Bulbs on
page 10‑37.
For any bulb‐changing procedure
not listed in this section, contact
your dealer.
Halogen Bulbs
{WARNING
Halogen bulbs have pressurized
gas inside and can burst if you
drop or scratch the bulb. You or
others could be injured. Be sure
to read and follow the instructions
on the bulb package.
High Intensity Discharge
(HID) Lighting
{WARNING
The low beam high intensity
discharge lighting system
operates at a very high voltage.
If you try to service any of the
system components, you could be
seriously injured. Have your
dealer or a qualified technician
service them.
After an HID headlamp bulb has
been replaced, the beam might be a
slightly different shade than it was
originally. This is normal.

Black plate (34,1)Buick Regal Owner Manual - 2012
10-34 Vehicle Care
Headlamps, Front Turn
Signal and Parking
Lamps
Base Headlamp Assembly
(Passenger Side Shown, Driver
Side Similar)
A. High‐Beam Headlamp
B. Turn Signal Lamp
C. Low‐Beam Headlamp/DaytimeRunning Lamp (DRL)
D. Parking Lamp
E. Sidemarker Lamp
Uplevel Headlamp Assembly
(Passenger Side Shown, Driver
Side Similar)
A. High/Low‐Beam Headlamp ‐To
be replaced at the dealer only
B. Turn Signal Lamp
Low-Beam Headlamps/Daytime
Running Lamps (DRL),
High-Beam Headlamps (Base)
1. For the driver side bulb, remove the windshield washer bottle
filler neck by firmly pulling it
straight up and out of the bottle. 2. Remove the outside cap for the
low-beam headlamp/DRL bulb
replacement from the back of the
headlamp assembly.
3. Remove the inside cap for the high-beam headlamp bulb
replacement from the back of the
headlamp assembly.
4. Disconnect the electrical connector.
5. Remove the bulb socket from the headlamp assembly.
6. Replace the bulb in the bulb socket.
7. Install the bulb socket in the headlamp assembly.
8. Reverse Steps 1 through 4 to reinstall the outside or inside cap
on the headlamp assembly.
High/Low‐Beam Headlamps
(Uplevel)
The high/low‐beam headlamps on
the uplevel headlamp system are
High Intensity Discharge (HID) and
should be replaced at the dealer.

Black plate (35,1)Buick Regal Owner Manual - 2012
Vehicle Care 10-35
Front Turn Signal/Parking/
Sidemarker Lamps (Base and
Uplevel)
To replace the front turn signal,
parking lamp, or sidemarker lamp:
1. For the driver side bulb, removethe windshield washer bottle
filler neck by firmly pulling it
straight up and out of the bottle.
2. Remove the bulb socket from the headlamp assembly by
turning it counterclockwise.
3. Remove the bulb from the socket.
4. Replace the bulb in the bulb socket.
5. Install the bulb socket in the headlamp assembly by turning it
clockwise. 6. For the driver side, reinstall the
windshield washer bottle filler
neck by firmly pushing it straight
into the bottle. Ensure that the
filler neck clip engages into the
underhood electrical center
retainer.
Fog Lamps
To replace the fog lamp bulb:
1. Locate the bulb assembly under
the front fascia.
2. Disconnect the electrical connector from the bulb
assembly.
3. Remove the bulb by turning it counterclockwise and pulling it
straight out of the assembly.
4. Install the new bulb by turning it clockwise into the assembly.
5. Reconnect the electrical connector to the bulb assembly.
Taillamps, Turn Signal,
Stoplamps, and Back-Up
Lamps
A. Taillamp/Sidemarker Lamp
B. Taillamp
C. Stop/Turn Signal Lamp
D. Back-up Lamp
To replace any one of these bulbs:
1. Open the trunk. See Trunk
Release on page 1‑6.
2. Remove the taillamp assembly access panel.

Black plate (36,1)Buick Regal Owner Manual - 2012
10-36 Vehicle Care
3. Remove the two nuts thatsecure the taillamp assembly.
4. Remove the taillamp assembly and detach the wiring harness
connector.
A. Back-up Lamp
B. Taillamp
C. Stop/Turn Signal Lamp
D. Taillamp/Sidemarker Lamp
5. Turn the bulb socket counterclockwise to remove it.
6. Pull the bulb from the socket. 7. Install a new bulb.
8. Turn the bulb socket clockwise
to install it.
9. Reverse Steps 2 through 4 to reinstall the taillamp assembly.
License Plate Lamp
To replace one of these bulbs:
Passenger Side Shown, Driver
Side Similar
1. Push the release tab (A) toward the lamp assembly. 2. Pull the lamp assembly down to
remove.
A. Bulb Socket
B. Bulb
C. Lamp Assembly
3. Turn the bulb socket (A) counterclockwise to remove it
from the lamp assembly (C).
4. Pull the bulb (B) straight out of the bulb socket.
5. Push the replacement bulb straight into the bulb socket and
turn the bulb socket clockwise to
install it into the lamp assembly.

Black plate (37,1)Buick Regal Owner Manual - 2012
Vehicle Care 10-37
6. Push the lamp assembly backinto position until the release tab
locks into place.
Replacement Bulbs
Exterior Lamp Bulb
Number
Back-up Lamp 3157 K
Fog Lamp H10
Front Turn
Signal Lamp 3457 NAK
Front Sidemarker
Lamp (Base) 194NA
High‐Beam
Headlamp (Base) H7
License Plate Lamp 194 Exterior Lamp
Bulb
Number
Low‐Beam
Headlamp/Daytime
Running
Lamp (DRL) H11
Stoplamp/Turn
Signal Lamp 3157 K
Taillamp/
Sidemarker Lamp 3157 K
For replacement bulbs not listed
here, contact your dealer.
Electrical System
High Voltage Devices and
Wiring
{WARNING
Exposure to high voltage can
cause shock, burns, and even
death. The high voltage
components in the vehicle can
only be serviced by technicians
with special training.
High voltage components are
identified by labels. Do not
remove, open, take apart,
or modify these components.
High voltage cable or wiring has
orange covering. Do not probe,
tamper with, cut, or modify high
voltage cable or wiring.