air filter BUICK REGAL 2011 User Guide

Black plate (4,1)Buick Regal Owner Manual - 2011
11-4 Service and Maintenance
Additional Required Services
Every 12 000 km/7,500 Miles
.Rotate tires. Tires should be
rotated every 12 000 km/
7,500 miles. SeeTire Rotation
on page 10‑55.
At Each Fuel Stop
.Engine oil level check. See
Engine Oil on page 10‑9.
.Engine coolant level check. See
Engine Coolant on page 10‑18.
.Windshield washer fluid level
check. See Washer Fluid on
page 10‑24.
Once a Month
.Tire inflation check. See Tire
Pressure on page 10‑49.
.Tire wear inspection. See Tire
Inspection on page 10‑55.
.Sunroof track and seal
inspection, if equipped. See
Sunroof on page 2‑15. Once a Year
.See
Starter Switch Check on
page 10‑28.
.See Automatic Transmission
Shift Lock Control Function
Check on page 10‑28.
.See Ignition Transmission Lock
Check on page 10‑29.
.See Park Brake and P (Park)
Mechanism Check on
page 10‑29.
.Accelerator pedal check for
damage, high effort, or binding.
Replace if needed.
.Underbody flushing service.
.Hood/Decklid/Liftgate/Liftglass
Support Gas Strut Service:
Visually inspect gas strut,
if equipped, for signs of wear,
cracks, or other damage. Check
the hold open ability of the gas
strut. Contact your dealer if
service is required. Once Every Two Years
.Vehicles using DOT 4 brake fluid
only: Change brake/clutch
hydraulic fluid at a regular
maintenance service every
two years.
First Engine Oil Change After
Every 40 000 km/25,000 Miles
.Passenger compartment air
filter replacement (or every
24 months, whichever occurs
first). More frequent replacement
may be needed if you drive in
areas with heavy traffic, areas
with poor air quality, or areas
with high dust levels.
Replacement may also be
needed if you notice reduced air
flow, windows fogging up,
or odors. Your dealer can help
you determine when it is the
right time to replace the filter.

Black plate (5,1)Buick Regal Owner Manual - 2011
Service and Maintenance 11-5
First Engine Oil Change After
Every 80 000 km/50,000 Miles
.Engine air cleaner filter
replacement. SeeEngine Air
Cleaner/Filter on page 10‑15.
.Automatic transmission fluid
change (severe service) for
vehicles mainly driven in heavy
city traffic in hot weather, in hilly
or mountainous terrain, or used
for taxi, police, or delivery
service. See Automatic
Transmission Fluid on
page 10‑14.
.Evaporative control system
inspection. Check all fuel and
vapor lines and hoses for proper
hook‐up, routing, and condition.
Check that the purge valve,
if the vehicle has one, works
properly. Replace as needed. An
Emission Control Service. The
U.S. Environmental Protection Agency or the California Air
Resources Board has
determined that the failure to
perform this maintenance item
will not nullify the emission
warranty or limit recall liability
prior to the completion of the
vehicle's useful life. We,
however, urge that all
recommended maintenance
services be performed at the
indicated intervals and the
maintenance be recorded.
First Engine Oil Change After
Every 160 000 km/100,000 Miles.Automatic transmission fluid
change (normal service). See
Automatic Transmission Fluid on
page 10‑14.
.Spark plug replacement and
spark plug wires inspection.
An Emission Control Service. First Engine Oil Change After
Every 240 000 km/150,000 Miles
.Engine cooling system drain,
flush, and refill (or every
five years, whichever occurs
first). See
Cooling System on
page 10‑17. An Emission
Control Service.
.Engine drive belts inspection
for fraying, excessive cracks,
or obvious damage (or every
10 years, whichever occurs
first). Replace, if needed.

Black plate (8,1)Buick Regal Owner Manual - 2011
11-8 Service and Maintenance
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part Number ACDelco Part Number
Engine Air Cleaner/Filter 55560894 A3128C
Engine Oil Filter
2.0L L4 Engine 12605566 PF457G
2.4L L4 Engine 12605566 PF457G
Passenger Compartment Air Filter Element 13271191 CF176
Spark Plugs
2.0L L4 Engine 12620540 41–108
2.4L L4 Engine 12620540 41–108
Wiper Blades
Driver Side –60.0 cm (23.62 in) 13227404 —
Passenger Side –45.0 cm (17.7 in) 13227405 —

Black plate (2,1)Buick Regal Owner Manual - 2011
12-2 Technical Data
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant R134a For the air conditioning system refrigerant charge
amount, see the refrigerant label located under the hood. See your dealer for more information.
Engine Cooling System 2.0L L4 Engine 7.8 L 8.2 qt
2.4L L4 Engine 7.1 L 7.5 qt
Engine Oil with Filter
2.0L L4 Engine 6 L 6.3 qt
2.4L L4 Engine 4.7 L 5.0 qt
Fuel Tank
2.0L, 2.4L L4 Engine (with NU5 and NT7 emissions) 73.9 L 19.5 gal
2.4L L4 Engine (with NU6 emissions) 70.0 L 18.5 gal

Black plate (1,1)Buick Regal Owner Manual - 2011
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-21
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-50
Adjustments
Lumbar, Front Seats . . . . . . . . . . . 3-5
Air Cleaner/Filter, Engine . . . . . 10-15
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . 8-4
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-4
Airbag Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-38
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 3-39
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-32
Passenger Sensing
System . . . . . . . . . . . . . . . . . . . . . . 3-34
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-32 Airbag System (cont.)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . 3-32
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-30
Where Are the Airbags? . . . . . . 3-29
Airbags Passenger Status Indicator . . . 5-12
Readiness Light . . . . . . . . . . . . . . 5-11
Servicing Airbag-EquippedVehicles . . . . . . . . . . . . . . . . . . . . . 3-38
System Check . . . . . . . . . . . . . . . . 3-27
Alarm System Anti-theft . . . . . . . . . . . . . . . . . . . . . . . 2-9
AM-FM Radio . . . . . . . . . . . . . . . . . . . 7-7
Antenna Satellite Radio . . . . . . . . . . . . . . . . 7-14
Anti-theft
Alarm System . . . . . . . . . . . . . . . . . 2-9
Alarm System Messages . . . . . 5-29
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . 9-30
Warning Light . . . . . . . . . . . . . . . . . 5-17
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . 10-77
Interior . . . . . . . . . . . . . . . . . . . . . . 10-80 Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . 13-5
Audio Players . . . . . . . . . . . . . . . . . 7-14 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
Audio System Backglass Antenna . . . . . . . . . . . 7-13
Radio Reception . . . . . . . . . . . . . . 7-13
Theft-Deterrent Feature . . . . . . . . 7-2
Automatic Headlamp System . . . . . . . . . . . . . 6-3
Automatic Transmission . . . . . . . 9-25
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-14
Manual Mode . . . . . . . . . . . . . . . . . 9-28
Shift Lock ControlFunction Check . . . . . . . . . . . 10-28
Auxiliary Devices . . . . . . . . . . . . . . 7-17
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-27
Jump Starting . . . . . . . . . . . . . . . 10-70
Power Protection . . . . . . . . . . . . . . 6-6
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-26
Blade Replacement, Wiper . . . 10-30
Bluetooth . . . . . . . . . . 7-20, 7-21, 7-23
Brake System Warning Light . . . 5-16

Black plate (4,1)Buick Regal Owner Manual - 2011
i-4 INDEX
EngineAir Cleaner/Filter . . . . . . . . . . . 10-15
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 5-13
Compartment Overview . . . . . . . 10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-18
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-10
Cooling System . . . . . . . . . . . . . 10-17
Cooling System Messages . . . 5-27
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-24
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-20
Overheating . . . . . . . . . . . . . . . . 10-21
Power Messages . . . . . . . . . . . . . 5-28
Pressure Light . . . . . . . . . . . . . . . . 5-20
Running While Parked . . . . . . . . 9-24
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-18
Engine Oil Life System . . . . . . . . . . . . . . . . . 10-13
Messages . . . . . . . . . . . . . . . . . . . . 5-28
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-6
Event Data Recorders . . . . . . . . 13-14
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-6 Extender, Safety Belt . . . . . . . . . . 3-25
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Filter,
Engine Air Cleaner . . . . . . . . . 10-15
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-62 Changing . . . . . . . . . . . . . . . . . . . 10-63
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-83
Fluid Automatic Transmission . . . . 10-14
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-26
Power Steering . . . . . . . . . . . . . 10-23
Washer . . . . . . . . . . . . . . . . . . . . . 10-24
Fog Lamps
Bulb Replacement . . . . . . 10-32, 6-4
Folding Mirrors . . . . . . . . . . . . . . . . 2-11
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . 3-4
Heated . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-44
Additives . . . . . . . . . . . . . . . . . . . . . 9-46
E85 (85% Ethanol) . . . . . . . . . . . 9-47
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-49
Filling the Tank . . . . . . . . . . . . . . . 9-48
Fuels in Foreign Countries . . . . 9-45
Gasoline Specifications . . . . . . . 9-45
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Low Fuel Warning Light . . . . . . . 5-20
Recommended . . . . . . . . . . . . . . . 9-44
Requirements, California . . . . . 9-45
System Messages . . . . . . . . . . . . 5-28
Fuel Economy Driving . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Fuses
Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-36
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-36
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . 10-40

Black plate (8,1)Buick Regal Owner Manual - 2011
i-8 INDEX
P
ParkShifting into . . . . . . . . . . . . . . . . . . . 9-21
Shifting out of . . . . . . . . . . . . . . . . . 9-22
Parking . . . . . . . . . . . . . . . . . . . . . . . . 9-23 Assist, Ultrasonic . . . . . . . . . . . . . 9-42
Brake . . . . . . . . . . . . . . . . . . . . . . . . . 9-31
Brake and P (Park)Mechanism Check . . . . . . . . 10-29
Over Things That Burn . . . . . . . 9-23
Ultrasonic Sensor Light . . . . . . . 5-17
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . 5-12
Passenger Compartment Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Passenger Sensing System . . . 3-34
Perchlorate Materials
Requirements, California . . . . . 10-3
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-31 Phone
Bluetooth . . . . . . . . . 7-20, 7-21, 7-23
Power Door Locks . . . . . . . . . . . . . . . . . . . . 2-5
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Outlets . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Protection, Battery . . . . . . . . . . . . . 6-6
Retained Accessory (RAP) . . . 9-21
Seat Adjustment . . . . . . . . . . . . . . . 3-5
Steering Fluid . . . . . . . . . . . . . . . 10-23
Windows . . . . . . . . . . . . . . . . . . . . . 2-12
Pregnancy, Using Safety Belts . . . . . . . . . . . . . . . . . . . . . . . . . 3-25
Privacy Radio FrequencyIdentification (RFID) . . . . . . . 13-15
Program Courtesy Transportation . . . . . . 13-8
Proposition 65 Warning, California . . . . . . . . . . . . . . . . . . . . . 10-3
R
Radio FrequencyIdentification (RFID) . . . . . . . . 13-15
Statement . . . . . . . . . . . . . . . . . . 13-15
Radios AM-FM Radio . . . . . . . . . . . . . . . . . . 7-7
Reception . . . . . . . . . . . . . . . . . . . . 7-13
Satellite . . . . . . . . . . . . . . . . . . . . . . . 7-10
Reading Lamps . . . . . . . . . . . . . . . . . 6-5
Rear Seat Pass-through Door . . . . . . . . . . . 3-10
Rear Seats . . . . . . . . . . . . . . . . . . . . . 3-9
Rear Storage . . . . . . . . . . . . . . . . . . . 4-2
Rearview Mirror Automatic Dimming . . . . . . . . . . . 2-11
Reclining Seatbacks . . . . . . . . . . . . 3-6
Recommended
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-44
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . 11-6