door lock BUICK REGAL 2015 Service Manual

Black plate (69,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
Vehicle Care 10-69
If a tire goes flat, avoid further tire
and wheel damage by driving slowly
to a level place. Turn on the hazard
warning flashers. SeeHazard
Warning Flashers on page 6-3.
See If a Tire Goes Flat on
page 10-62 for other important
safety warnings.
1. Remove the tire sealant and compressor kit from its storage
location. See Storing the Tire
Sealant and Compressor Kit on
page 10-71.
2. Unwrap the air only hose (7) and the power plug (8).
3. Place the kit on the ground. Make sure the tire valve stem is
positioned close to the ground
so the hose will reach it.
4. Remove the tire valve stem cap from the flat tire by turning it
counterclockwise.
5. Attach the air only hose (7) onto the tire valve stem by turning it
clockwise until it is tight. 6. Plug the power plug (8) into the
accessory power outlet in the
vehicle. Unplug all items from
other accessory power outlets.
See Power Outlets on page 5-5.
If the vehicle has an accessory
power outlet, do not use the
cigarette lighter.
If the vehicle only has a cigarette
lighter, use the cigarette lighter.
Do not pinch the power plug
cord in the door or window.
7. Start the vehicle. The vehicle must be running while using the
air compressor.
8. Press and turn the selector switch (1) clockwise to the Air
Only position.
9. Press the on/off button (2) to turn the compressor on.
The compressor will inflate the
tire with air only.

Black plate (88,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
10-88 Vehicle Care
can be removed by rubbing with a
clean cloth. SeeRecommended
Fluids and Lubricants on
page 11-12.
Tires
Use a stiff brush with tire cleaner to
clean the tires.
{Caution
Using petroleum-based tire
dressing products on the vehicle
may damage the paint finish and/
or tires. When applying a tire
dressing, always wipe off any
overspray from all painted
surfaces on the vehicle.
Wheels and Trim —Aluminum
or Chrome
Use a soft, clean cloth with mild
soap and water to clean the wheels.
After rinsing thoroughly with clean
water, dry with a soft, clean towel.
A wax may then be applied.
{Caution
Chrome wheels and other chrome
trim may be damaged if the
vehicle is not washed after driving
on roads that have been sprayed
with magnesium, calcium,
or sodium chloride. These
chlorides are used on roads for
conditions such as ice and dust.
Always wash the chrome with
soap and water after exposure.
{Caution
To avoid surface damage, do not
use strong soaps, chemicals,
abrasive polishes, cleaners,
brushes, or cleaners that contain
acid on aluminum or
chrome-plated wheels. Use only
approved cleaners. Also, never
drive a vehicle with aluminum or
chrome-plated wheels through an
(Continued)
Caution (Continued)
automatic car wash that uses
silicone carbide tire cleaning
brushes. Damage could occur
and the repairs would not be
covered by the vehicle warranty.
Steering, Suspension, and
Chassis Components
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of wear at
least once a year.
Inspect power steering for proper
hook-up, binding, leaks, cracks,
chafing, etc.
Visually check constant velocity joint
boots and axle seals for leaks.
Body Component Lubrication
Lubricate all key lock cylinders,
hood hinges, liftgate hinges, steel
fuel door hinge, unless the
components are plastic. Applying

Black plate (12,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
11-12 Service and Maintenance
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
UsageFluid/Lubricant
Engine Oil Use only engine oil meeting the dexos1™ specification of the proper SAE
viscosity grade. Look for the dexos1 approved logo for GM approved
engine oil. See Engine Oil on page 10-11.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL
®Coolant.
See Engine Coolant on page 10-19.
Hydraulic Brake/Clutch System DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in Canada 19299819).
Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Automatic Transmission DEXRON
®-VI Automatic Transmission Fluid.
Manual Transmission Manual Transmission Fluid (GM Part No. 19259104, in Canada 19259105).
Hood Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668, in
Canada 89021674) or lubricant meeting requirements of NLGI #2,
Category LB or GC-LB.
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. 12345579, in Canada 10953481).

Black plate (12,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
13-12 Customer Information
Radio Frequency
Identification (RFID)
RFID technology is used in some
vehicles for functions such as tire
pressure monitoring and ignition
system security, as well as in
connection with conveniences such
as Remote Keyless Entry (RKE)
transmitters for remote door locking/
unlocking and starting, and
in-vehicle transmitters for garage
door openers. RFID technology in
GM vehicles does not use or record
personal information or link with any
other GM system containing
personal information.
Radio Frequency
Statement
This vehicle has systems that
operate on a radio frequency that
complies with Part 15/Part 18 of the
Federal Communications
Commission (FCC) rules and with
Industry Canada Standards
RSS-GEN/210/220/310, ICES‐001.
Operation is subject to the following
two conditions:
1. The device may not causeharmful interference.
2. The device must accept any interference received, including
interference that may cause
undesired operation of the
device.
Changes or modifications to any of
these systems by other than an
authorized service facility could void
authorization to use this equipment.
Reporting Safety
Defects
Reporting Safety Defects
to the United States
Government
If you believe that your vehicle
has a defect which could cause
a crash or could cause injury or
death, you should immediately
inform the National Highway
Traffic Safety Administration
(NHTSA) in addition to notifying
General Motors.
If NHTSA receives similar
complaints, it may open an
investigation, and if it finds that
a safety defect exists in a group
of vehicles, it may order a recall
and remedy campaign.

Black plate (3,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
OnStar 14-3
Security
OnStar provides services including
Stolen Vehicle Assistance, Remote
Ignition Block, and Roadside
Assistance, if equipped. OnStar can
unlock the vehicle doors remotely,
if equipped with automatic door
locks, and can help police locate the
vehicle if it is stolen.
Navigation
OnStar navigation requires a
specific OnStar subscription plan.
Press
Qto receive directions or
have them sent to the vehicle
navigation screen, if equipped.
Destinations can also be forwarded
to the vehicle from MapQuest.com.
Turn-by-Turn Navigation
1. PressQto connect to a live
Advisor.
2. Request directions. 3. Directions are downloaded to the
vehicle.
4. Follow the voice-guided commands.
Using Voice Commands
During a Planned Route
Cancel Route
1. Press
=. System responds:
“OnStar ready,” then a tone. Say
“Cancel route.” System
responds: “Do you want to
cancel directions?”
2. Say “Yes.”System responds:
“OK, request completed, thank
you, goodbye.”
Route Preview
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Route preview.” System
responds with the next three
maneuvers. Repeat
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Repeat.” System responds
with the last direction given, then
responds with “OnStar ready,”
then a tone.
Get My Destination
1. Press
=. System responds:
“OnStar ready,” then a tone.
2. Say “Get my destination.”
System responds with the
address and the distance to the
destination, then responds with
“OnStar ready,” then a tone.
Other Navigation Services
Available from OnStar
OnStar eNav:Subscribers can
send destinations from
MapQuest.com to the vehicle
Turn-by-Turn Navigation or
screen-based navigation system (if
equipped). When ready, the
directions will be downloaded to the
vehicle.

Black plate (4,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
14-4 OnStar
Destination Download:PressQ,
then request the Advisor to
download directions to the
navigation system in the vehicle (if
equipped). After the call ends, press
the “Go” button on the navigation
screen to begin driving directions.
If directions are downloaded to the
navigation system, the route can
only be canceled through the
navigation system.
Destinations can also be
downloaded on the go. For
information about eNav or
Destination Download, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The required specific Onstar
subscription plan includes the
services that follow to help
customers stay connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada). WiFi Connectivity (If Equipped)
The vehicle has a WiFi hotspot that
provides a high-speed, wireless
Internet connection to connect
multiple mobile devices (data plan
required).
1. To retrieve WiFi hotspot
information, press
=and select
or say “WiFi settings.”
2. The WiFi settings will display the WiFi network name/SSID,
passphrase, and level of
encryption.
3. To change the SSID or passphrase, press
Qor call
1-888-4-ONSTAR to connect
with an Advisor.
OnStar RemoteLink
®Mobile App
(If Equipped)
Download the OnStar RemoteLink
mobile app to select Apple
®,
Android™, and BlackBerry®or
Windows 7 or 8 mobile devices.
From the mobile device, check the
vehicle’s fuel level, oil life, or tire pressure (if the vehicle is equipped
with the tire pressure monitoring
system); or activate remote horn
and lights. Also remote start the
vehicle (if factory equipped) or
unlock the doors from anywhere
with a wireless connection (if
equipped with automatic locks).
With a required specific OnStar
subscription plan, a destination can
be sent to the vehicle. For OnStar
RemoteLink information and
compatibility, see www.onstar.com
(U.S.) or www.onstar.ca (Canada).
OnStar RemoteLink
®Key Fob
Services
This feature is included for five
years and allows for remote door
lock/unlock (if equipped with
automatic locks), remote start (if
factory equipped), or activation of
horn and lights from anywhere with
a wireless signal. Download the app
and start using it any time during the
trial period to get started.

Black plate (6,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
14-6 OnStar
Vehicle Diagnostics
OnStar Vehicle Diagnostics can
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes,
and other major vehicle systems.
It also checks the tire pressures,
if the vehicle is equipped with the
Tire Pressure Monitoring System.
If an On-Demand Diagnostics check
is needed, press
Q, and an Advisor
can run a check.
OnStar Additional
Information
Transferring Service
PressQto request account transfer
eligibility information. The Advisor
can assist in canceling or removing
account information.
Selling/Transferring the
Vehicle
Call 1-888-4-ONSTAR immediately
to terminate your OnStar services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.
Reactivation for Subsequent
Owners
PressQand follow the prompts to
speak to an Advisor as soon as
possible. The Advisor will update
vehicle records and explain the
OnStar service options available.
How OnStar Service Works
Automatic Crash Response,
Emergency Services, Crisis Assist,
Stolen Vehicle Assistance, Vehicle
Diagnostics, Remote Door Unlock,
Roadside Assistance, Turn-by-Turn
Navigation, and Hands-Free Calling
are available on most vehicles. Not
all OnStar services are available
everywhere or on all vehicles. For
more information, a full description
of OnStar services, system
limitations, and OnStar terms and
conditions:
.Call 1-888-4-ONSTAR
(1-888-466-7827).
.See www.onstar.com (U.S.).
.See www.onstar.ca (Canada).
.Call TTY 1-877-248-2080.
.PressQto speak with an
Advisor.
OnStar services cannot work unless
the vehicle is in a place where
OnStar has an agreement with a
wireless service provider for service

Black plate (7,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
OnStar 14-7
in that area. The wireless service
provider must also have coverage,
network capacity, reception, and
technology compatible with OnStar
services. Service involving location
information about the vehicle cannot
work unless GPS signals are
available, unobstructed, and
compatible with the OnStar
hardware. OnStar services may not
work if the OnStar equipment is not
properly installed or it has not been
properly maintained. If equipment or
software is added, connected,
or modified, OnStar services may
not work. Other problems beyond
the control of OnStar may prevent
service such as hills, tall buildings,
tunnels, weather, electrical system
design and architecture of the
vehicle, damage to the vehicle in a
crash, or wireless phone network
congestion or jamming.
SeeRadio Frequency Statement on
page 13-12.Services for People with
Disabilities
Advisors provide services to help
subscribers with physical disabilities
and medical conditions.
Press
Qfor help with:
.Locating a gas station with an
attendant to pump gas.
.Finding a hotel, restaurant, etc.,
that meets accessibility needs.
.Providing directions to the
closest hospital or pharmacy in
urgent situations.
TTY Users
OnStar has the ability to
communicate to deaf,
hard-of-hearing, or speech-impaired
customers while in the vehicle. The
available dealer-installed TTY
system can provide in-vehicle
access to all of the OnStar services,
except Virtual Advisor and OnStar
Turn-by-Turn Navigation.
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. The PIN will need to be
changed the first time when
speaking with an Advisor. To
change the OnStar PIN, contact an
OnStar Advisor by pressing
Qor
calling 1-888-4-ONSTAR.
Warranty
OnStar equipment may be
warranted as part of the vehicle
warranty.
Languages
The vehicle can be programmed to
respond in multiple languages.
Press
Qand ask for an Advisor.
Advisors are available in English,
Spanish, and French. Available
languages may vary by country.

Black plate (8,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
14-8 OnStar
Potential Issues
OnStar cannot perform Remote
Door Unlock or Stolen Vehicle
Assistance after the vehicle has
been off continuously for five days.
After five days, OnStar can contact
Roadside Assistance and a
locksmith to help gain access to the
vehicle.
Global Positioning
System (GPS)
.Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;
around airports; in tunnels,
underpasses; or in an area with
very dense trees. If GPS signals
are not available, the OnStar
system should still operate to
call OnStar. However, OnStar
could have difficulty identifying
the exact location.
.In emergency situations, OnStar
can use the last stored GPS
location to send to emergency
responders.A temporary loss of GPS can cause
loss of the ability to send a
Turn-by-Turn Navigation route. The
Advisor may give a verbal route or
may ask for a call back after the
vehicle is driven into an open area.
Cellular and GPS Antennas
Do not place items over or near the
antenna to prevent blocking cellular
and GPS signal reception. Cellular
reception is required for OnStar to
send remote signals to the vehicle.
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Press
Qto try the
call again or try again after driving a
few miles into another cellular area.
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features to function properly. These systems
may not operate if the battery is
discharged or disconnected.
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See
Add-On Electrical
Equipment on page 9-65. Added
electrical equipment may interfere
with the operation of the OnStar
system and cause it to not operate.
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada). We
recommend that you review it. If you
have any questions, call
1-888-4-ONSTAR (1-888-466-7827)
or press
Qto speak with an
Advisor. Users of wireless
communications are cautioned that
the privacy of any information sent
via wireless cellular communications
cannot be assured. Third parties

Black plate (1,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-23
Active Emergency Braking System . . . . . . . . 1-17, 9-54
Adaptive Cruise Control . . . . . . . 9-40
Add-On Electrical
Equipment . . . . . . . . . . . . . . . . . . . 9-65
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-6
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . 11-8
Adjustments Lumbar, Front Seats . . . . . . . . . . . 3-4
Air Cleaner/Filter, Engine . . . . . 10-16
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . 8-6
Air Intake . . . . . . . . . . . . . . . . . . . . . . . 8-6
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-6
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . 3-29
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-21 Airbag System (cont'd)
Passenger Sensing
System . . . . . . . . . . . . . . . . . . . . . . 3-23
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-21
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . 3-21
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-20
Where Are the Airbags? . . . . . . 3-19
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-28
Passenger Status Indicator . . . 5-19
Readiness Light . . . . . . . . . . . . . . 5-18
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . 3-27
System Check . . . . . . . . . . . . . . . . 3-17
Alarm Vehicle Security . . . . . . . . . . . . . . 2-15
Alert Lane Change . . . . . . . . . . . . . . . . . 9-56
Side Blind Zone (SBZA) . . . . . . 9-55
All-Season Tires . . . . . . . . . . . . . . 10-41
All-Wheel Drive . . . . . . . . . 9-31, 10-27 Antilock Brake
System (ABS) . . . . . . . . . . . . . . . . 9-31
Warning Light . . . . . . . . . . . . . . . . . 5-24
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . 10-85
Interior . . . . . . . . . . . . . . . . . . . . . . 10-89
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . 13-5
Assistance Systems for Driving . . . . . . . . . . . . . . . . . . . . . . . 9-51
Assistance Systems for Parking and Backing . . . . . . . . . 9-49
Automatic Door Locks . . . . . . . . . . . . . . . . . . . 2-12
Headlamp System . . . . . . . . . . . . . 6-2
Transmission . . . . . . . . . . . . . . . . . 9-26
Transmission Fluid . . . . . . . . . 10-15
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 9-28
Shift Lock ControlFunction Check . . . . . . . . . . . 10-28