fuel BUICK REGAL 2013 Owner's Guide

Black plate (2,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
8-2 Climate Controls
Dual Automatic Climate Control System, eAssist Vehicles
1. Eco/Comfort Air Conditioning
2. Driver and Passenger Temperature Controls
3. Heated Seats
4. Air Delivery Modes
5. Climate Display
6. Defrost
7. Recirculation
8. Fan Controls 9. AUTO (Automatic Operation)
10. Rear Window Defogger
Climate Control Influence on
eAssist Operation and Fuel
Economy (If Equipped)
The climate control system is
dependent upon other vehicle
systems for heat and power input.
Certain climate control settings can
lead to higher fuel usage and/or
fewer Auto Stops.The following are climate control
settings that use more fuel:
.Comfort air conditioning mode.
.The defrost mode.
.Extreme temperature settings,
such as 60°F (15°C) / 90°F
(32°C).
.High fan speed settings.
To help reduce fuel usage:
.Use the full automatic control as
described under Automatic
Operation.
.Use eco air conditioning, instead
of the comfort air conditioning.
.Select a temperature setting that
is higher in hot weather and
lower in cold weather.
.Turn off the air conditioning
when it is not needed.
.Only use defrost to clear the
windows.

Black plate (3,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Climate Controls 8-3
Automatic Operation
The system automatically controls
the fan speed, air delivery, air
conditioning, and recirculation in
order to heat or cool the vehicle to
the desired temperature.
When the indicator light is on, the
system is in full automatic operation.
If the air delivery mode or fan
setting is manually adjusted, the
auto indicator turns off and displays
will show the selected settings.
To place the system in
automatic mode:
1. Press AUTO.
2. Set the temperature. Allow thesystem time to stabilize. Then
adjust the temperature as
needed for best comfort.
To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather. The recirculation
light will not come on. Press
hto
select recirculation; press it again to
select outside air. English units can be changed to
metric units through the Driver
Information Center (DIC). See
Driver Information Center (DIC) on
page 5‑24.
Manual Operation
Driver and Passenger
Temperature Control:
The
temperature can be adjusted
separately for the driver and
passenger.
Turn the knob clockwise or
counterclockwise to increase or
decrease the driver or passenger
temperature setting.
Fan Control: Press the left fan
button to decrease the fan speed.
Press the right fan button to
increase the fan speed. The
selected fan speed is indicated by
the number of segments shown in
the display.
Pressing the left fan button longer
turns the fan off.
Press AUTO to return to automatic
operation. Air Delivery Modes:
Press
[,Y,
or
8to change the direction of the
airflow. An indicator light comes on
in the selected mode button.
Changing the mode cancels the
automatic operation and the system
goes into manual mode. Press
AUTO to return to automatic
operation.
[(Floor): Air is directed to the
floor outlets.
Y(Vent): Air is directed to the
instrument panel outlets.
8(Upper): Air is directed to the
windshield outlets.
0(Defrost): Press to clear the
windshield of fog or frost more
quickly. Air is directed to the
windshield.
For best results, clear all snow and
ice from the windshield before
defrosting.

Black plate (4,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
8-4 Climate Controls
For eAssist vehicles, auto stops can
occur in defrost mode. In this mode,
the auto stops are shorter and less
frequent than other air delivery
modes to prevent flash fogging.
#(Comfort Air Conditioning):
Press to turn the air conditioning on
or off. The button indicator light
turns blue when the a/c is on. If the
fan is turned off or the outside
temperature falls below freezing, the
air conditioner will not run.
Press AUTO to return to automatic
operation and the air conditioner
runs as needed. When the indicator
light is on, the air conditioner runs
automatically to cool the air inside
the vehicle or to dry the air needed
to defog the windshield faster.
For eAssist vehicles, an auto stop
may occur if the climate control
system determines the a/c
compressor can be shut off and still
maintain comfort levels with minimal
windshield fogging.
#(Eco Air Conditioning, If
Equipped): Press
#to turn on the
eco air conditioning. The button
indicator light turns green when eco
a/c is on. This setting balances fuel
economy and air conditioning
comfort. In warm weather
conditions, auto stops may occur
more frequently and the vehicle
interior may be warmer as
compared to the comfort air
conditioning. This setting allows
higher humidity inside the vehicle
and window fogging before the
engine restarts.
Pressing the
0button during an
auto stop may restart the engine to
prevent window fogging. To reach
comfort levels quickly during an
auto stop, the engine will restart if:
.The air conditioner is off and
AUTO, Eco
#, or Comfort#is
selected.
.The climate control power is
turned on and the system is set
to AUTO, Eco
#, or Comfort
#mode.
.The temperature control is
adjusted cooler by more than
0.5°C (1°F).
h(Recirculation): Press to turn
on recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the vehicle
or prevent outside air and odors
from entering.
Auto Defog: The climate control
system may have a sensor to
automatically detect high humidity
inside the vehicle. When high
humidity is detected, the climate
control system may adjust to
outside air supply and turn on the
air conditioner. The fan speed may
slightly increase to help prevent
fogging. If the climate control
system does not detect possible
window fogging, it returns to normal
operation. For eAssist vehicles,
when this mode is in use auto stops

Black plate (1,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Driving and Operating 9-1
Driving and
Operating
Driving Information
Distracted Driving . . . . . . . . . . . . . 9-2
Defensive Driving . . . . . . . . . . . . . 9-3
Drunk Driving . . . . . . . . . . . . . . . . . 9-3
Control of a Vehicle . . . . . . . . . . . 9-3
Braking . . . . . . . . . . . . . . . . . . . . . . . 9-3
Steering . . . . . . . . . . . . . . . . . . . . . . . 9-4
Off-Road Recovery . . . . . . . . . . . . 9-5
Loss of Control . . . . . . . . . . . . . . . . 9-5
Racing or Other CompetitiveDriving . . . . . . . . . . . . . . . . . . . . . . . 9-6
Driving on Wet Roads . . . . . . . . . 9-6
Highway Hypnosis . . . . . . . . . . . . 9-7
Hill and Mountain Roads . . . . . . 9-7
Winter Driving . . . . . . . . . . . . . . . . . 9-8
If the Vehicle Is Stuck . . . . . . . . 9-10
Vehicle Load Limits . . . . . . . . . . 9-10
Starting and Operating
New Vehicle Break-In . . . . . . . . 9-14
Ignition Positions (Key Access) . . . . . . . . . . . . . . . . . . . . 9-15
Ignition Positions (Keyless Access) . . . . . . . . . . . . . . . . . . . . 9-17 Starting the Engine . . . . . . . . . . 9-19
Engine Heater . . . . . . . . . . . . . . . 9-22
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . 9-23
Shifting Into Park . . . . . . . . . . . . 9-24
Shifting out of Park (Automatic
Transmission) . . . . . . . . . . . . . . 9-25
Parking . . . . . . . . . . . . . . . . . . . . . . 9-25
Parking over Things That Burn . . . . . . . . . . . . . . . . . . 9-25
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 9-26
Running the Vehicle WhileParked . . . . . . . . . . . . . . . . . . . . . 9-26
Automatic Transmission
Automatic Transmission . . . . . 9-27
Manual Mode . . . . . . . . . . . . . . . . 9-29
Manual Transmission
Manual Transmission . . . . . . . . 9-30
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . 9-31
Parking Brake . . . . . . . . . . . . . . . 9-32
Brake Assist . . . . . . . . . . . . . . . . . 9-34
Hill Start Assist (HSA) . . . . . . . 9-35
Ride Control Systems
Traction Control System (TCS) . . . . . . . . . . . . . . 9-35
StabiliTrak
®System . . . . . . . . . 9-36
Interactive Drive Control System (except GS) . . . . . . . . 9-38
Interactive Drive Control System (GS Only) . . . . . . . . . . 9-40
Cruise Control
Cruise Control . . . . . . . . . . . . . . . 9-41
Object Detection Systems
Ultrasonic Parking Assist . . . . 9-43
Fuel
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . 9-45
Recommended Fuel . . . . . . . . . 9-46
Gasoline Specifications . . . . . . 9-46
California FuelRequirements . . . . . . . . . . . . . . 9-46
Fuels in Foreign Countries . . . 9-47
Fuel Additives . . . . . . . . . . . . . . . 9-47
Fuel E85 (85% Ethanol) . . . . . 9-48
Filling the Tank . . . . . . . . . . . . . . 9-49
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . . 9-50

Black plate (9,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Driving and Operating 9-9
Blizzard Conditions
Being stuck in snow can be a
serious situation. Stay with the
vehicle unless there is help nearby.
If possible, use Roadside
Assistance. SeeRoadside
Assistance Program (Mexico) on
page 13‑7 orRoadside Assistance
Program (U.S. and Canada) on
page 13‑11. To get help and keep
everyone in the vehicle safe:
.Turn on the hazard warning
flashers.
.Tie a red cloth to an outside
mirror.
{WARNING
Snow can trap engine exhaust
under the vehicle. This may
cause exhaust gases to get
inside. Engine exhaust contains
carbon monoxide (CO) which
(Continued)
WARNING (Continued)
cannot be seen or smelled. It can
cause unconsciousness and even
death.
If the vehicle is stuck in the snow:
.Clear away snow from around
the base of your vehicle,
especially any that is blocking
the exhaust pipe.
.Check again from time to
time to be sure snow does
not collect there.
.Open a window about 5 cm
(2 in) on the side of the
vehicle that is away from the
wind to bring in fresh air.
.Fully open the air outlets on
or under the instrument
panel.
.Adjust the climate control
system to a setting that
circulates the air inside the
vehicle and set the fan speed(Continued)
WARNING (Continued)
to the highest setting. See
“Climate Control Systems” in
the Index.
For more information about
carbon monoxide, see Engine
Exhaust on page 9‑26.
To save fuel, run the engine for only
short periods as needed to warm
the vehicle and then shut the engine
off and close the window most of
the way to save heat. Repeat this
until help arrives but only when you
feel really uncomfortable from the
cold. Moving about to keep warm
also helps.
If it takes some time for help to
arrive, now and then when you run
the engine, push the accelerator
pedal slightly so the engine runs
faster than the idle speed. This
keeps the battery charged to restart
the vehicle and to signal for help
with the headlamps. Do this as little
as possible to save fuel.

Black plate (13,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Driving and Operating 9-13
Example 3
1.
Vehicle Capacity Weight for
Example 3 = 453 kg
(1,000 lbs).
2.Subtract Occupant Weight @
91 kg (200 lbs) × 5 = 453 kg
(1,000 lbs).
3.Available Cargo Weight =
0 kg (0 lbs).
Refer to the vehicle's Tire and
Loading Information label for
specific information about the
vehicle's capacity weight and seating positions. The combined
weight of the driver, passengers,
and cargo should never exceed
the vehicle's capacity weight.
Certification Label
Label Example
A vehicle-specific Certification
label is attached to the driver
side center pillar (B-pillar). The
label tells the gross weight
capacity of the vehicle, called
the Gross Vehicle Weight Rating
(GVWR). The GVWR includes
the weight of the vehicle, alloccupants, fuel, and cargo.
Never exceed the GVWR for the
vehicle, or the Gross Axle
Weight Rating (GAWR) for either
the front or rear axle.
And, if there is a heavy load, it
should be spread out. See
“Steps for Determining Correct
Load Limit”
earlier in this
section.
{WARNING
Do not load the vehicle any
heavier than the Gross
Vehicle Weight Rating
(GVWR), or either the
maximum front or rear Gross
Axle Weight Rating (GAWR).
This can cause systems to
break and change the way the
vehicle handles. This could
cause loss of control and a
crash. Overloading can also
shorten the life of the vehicle.

Black plate (22,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
9-22 Driving and Operating
There are several conditions which
may prevent an auto stop or cause
an auto start.
The Engine Will Remain
Running When:
.The engine, transmission,
or high voltage battery is not
warmed up yet.
.The outside temperature is less
than−20°C (−4°F).
.The air conditioning or defrost
system need the compressor to
maintain vehicle comfort. See
Dual Automatic Climate Control
System on page 8‑1 The warmer
it is outside, the shorter the time
before the engine is restarted to
provide cabin cooling. To
maximize fuel economy, use the
eco air conditioning mode.
.The shift lever is in P (Park),
N (Neutral), R (Reverse),
or M (Manual Mode).
.The high voltage battery pack
charge is low.
.The hood is not fully closed.
.Brake pedal pressure is low.
.If the MIL is on, auto stop may
be prevented.
.High humidity is detected.
The Engine Will Restart When:
.The brake pedal is released.
.The accelerator pedal is applied.
.Shifting out of D (Drive) to any
other gear.
.The air conditioning or defrost
system need the compressor to
maintain vehicle comfort. See
Dual Automatic Climate Control
System on page 8‑1. The
warmer it is outside, the shorter
the time before the engine is
restarted to provide cabin
cooling. To maximize fuel
economy, use the eco air
conditioning mode.
.The climate control system is
turned from off to normal air
conditioning or defrost. See Dual
Automatic Climate Control
System on page 8‑1.
.The engine is required to run for
either heater or climate control
performance. See Dual
Automatic Climate Control
System on page 8‑1.
.The high voltage battery pack
charge is low and requires
recharging.
.Auto stop time is greater than
two minutes.
.The hood is opened.
Engine Heater
The engine coolant heater,
if available, can help in cold weather
conditions at or below −18°C (0°F)
for easier starting and better fuel
economy during engine warm-up.
Plug in the coolant heater at least
four hours before starting the
vehicle. An internal thermostat in

Black plate (28,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
9-28 Driving and Operating
press the shift lever button and
move the shift lever into another
gear. SeeShifting out of Park
(Automatic Transmission) on
page 9‑25.
Without the brake pedal applied, the
control indicator will be on.
If the shift lever is not in P (Park)
when the ignition is turned to OFF,
the control indicator and P will flash.
R (Reverse): Use this gear to
back up. Notice:
Shifting to R (Reverse)
while the vehicle is moving
forward could damage the
transmission. The repairs would
not be covered by the vehicle
warranty. Shift to R (Reverse) only
after the vehicle is stopped.
To rock the vehicle back and forth to
get out of snow, ice, or sand without
damaging the transmission, see If
the Vehicle Is Stuck on page 9‑10.
N (Neutral): In this position, the
engine does not connect with the
wheels. To restart the engine when
the vehicle is already moving, use
N (Neutral) only with the brake pedal
applied.{WARNING
Shifting into a drive gear while the
engine is running at high speed is
dangerous. Unless your foot is
firmly on the brake pedal, the
vehicle could move very rapidly.
You could lose control and hit
(Continued)
WARNING (Continued)
people or objects. Do not shift
into a drive gear while the engine
is running at high speed.
Notice: Shifting out of P (Park) or
N (Neutral) with the engine
running at high speed may
damage the transmission. The
repairs would not be covered by
the vehicle warranty. Be sure the
engine is not running at high
speed when shifting the vehicle.
D (Drive): This position is for
normal driving. It provides the best
fuel economy. If more power is
needed for passing, and the
vehicle is:
.Going less than 56 km/h
(35 mph), push the accelerator
pedal about halfway down.
.Going about 56 km/h (35 mph) or
more, push the accelerator all
the way down.

Black plate (30,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
9-30 Driving and Operating
Manual Transmission
This is the shift pattern for the
six-speed manual transmission.
To operate the transmission:
Notice:Do not rest your hand on
the shift lever while driving. The
pressure could cause premature
wear in the transmission. The
repairs would not be covered by
the vehicle warranty. Notice:
Do not rest your foot on
the clutch pedal while driving or
while stopped. The pressure can
cause premature wear in the
clutch. The repairs would not be
covered by the vehicle warranty.
1 (First): Press the clutch pedal
fully to the pedal stop and shift into
1 (First). Then slowly let up on the
clutch pedal as you press the
accelerator pedal.
If you come to a complete stop and
it is hard to shift into 1 (First), put
the shift lever in Neutral and let up
on the clutch. Press the clutch pedal
back down. Then shift into 1 (First).
2 (Second): Press the clutch pedal
as you let up on the accelerator
pedal and shift into 2 (Second).
Then, slowly let up on the clutch
pedal as you press the accelerator
pedal. 3 (Third), 4 (Fourth), 5 (Fifth), and
6 (Sixth):
Shift into 3 (Third),
4 (Fourth), 5 (Fifth), and 6 (Sixth) the
same way you do for 2 (Second).
Slowly let up on the clutch pedal as
you press the accelerator pedal. For
the best fuel economy, use 6 (Sixth)
gear whenever vehicle speed and
driving conditions allow.
The vehicle may have an up-shift
light in the instrument cluster. See
Up-Shift Light on page 5‑20.
{WARNING
If you skip a gear when you
downshift, you could lose control
of the vehicle. You could injure
yourself or others. Do not shift
down more than one gear at a
time when you downshift.

Black plate (45,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Driving and Operating 9-45
When the System Does Not
Seem to Work Properly
The following messages may be
displayed on the DIC:
SERVICE PARK ASSIST:If this
message occurs, check the
following conditions:
.The ultrasonic sensors are not
clean. Keep the vehicle's rear
bumper free of mud, dirt, snow,
ice, and slush. For cleaning
instructions, see Exterior Care
on page 10‑92.
.The park assist sensors are
covered by frost or ice. Frost or
ice can form around and behind
the sensors and may not always
be seen; this can occur after
washing the vehicle in cold
weather. The message may not
clear until the frost or ice has
melted.
If the above conditions do not exist,
take the vehicle to your dealer to
repair the system. PARK ASSIST OFF:
If the system
does not activate due to a
temporary condition, this message
displays. This can occur under the
following conditions:
.The driver has disabled the
system.
.An object was hanging out of the
trunk during the last drive cycle.
Once the object is removed, the
system will return to normal
operation.
.The bumper is damaged. Take
the vehicle to your dealer to
repair the system.
.Other conditions, such as
vibrations from a jackhammer or
the compression of air brakes on
a very large truck, are affecting
system performance.
Fuel
Use of the recommended fuel is an
important part of the proper
maintenance of this vehicle. To help
keep the engine clean and maintain
optimum vehicle performance, we
recommend the use of gasoline
advertised as TOP TIER Detergent
Gasoline.
Look for the TOP TIER label on the
fuel pump to ensure gasoline meets
enhanced detergency standards
developed by auto companies. A list
of marketers providing TOP TIER
Detergent Gasoline can be found at
www.toptiergas.com. TOP TIER
gasoline is only available in the U.S.
and Canada.