2013 BUICK REGAL fuel

Black plate (26,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
5-26 Instruments and Controls
Navigation
This display is used for the
navigation system Turn-by-Turn
guidance. See the navigation
manual, if the vehicle has
navigation, for more information.
Speed, Fuel Range, Instantaneous
Fuel Economy
The top of this display includes a
digital speedometer. The
speedometer shows how fast the
vehicle is moving in either
kilometers per hour (km/h) or miles
per hour (mph). The speedometer
cannot be reset.
In the center of the page is the fuel
range display. This shows the
approximate distance the vehicle
can be driven without refueling. The
fuel range estimate is based on an
average of the vehicle's fuel
economy over recent driving history
and the amount of fuel remaining in
the fuel tank. This display is shown
as
l.km (mi). Fuel range cannot
be reset. Also included on this page is an
instantaneous fuel economy display.
The instantaneous fuel economy
display shows the current fuel
economy in liters per 100 kilometers
(L/100 km) or miles per
gallon (mpg). This number reflects
only the fuel economy that the
vehicle has right now and changes
frequently as driving conditions
change. This display is shown as
.
L/100 km (mpg). This display cannot
be reset.
Trip 1 or Trip 2, Average Fuel
Economy, Average Vehicle Speed
This displays the current distance
traveled, in either kilometers (km) or
miles (mi), from the last reset for the
trip odometer. The trip odometer can
be reset to zero by pressing and
holding the SET/CLR button while
the trip odometer display is
showing.
The Average Fuel Economy display
shows the approximate average
liters per 100 kilometers (L/100 km)
or miles per gallon (mpg). This
number is based on the number of
L/100 km (mpg) recorded since the
last time this menu item was reset.
This display is shown as
.
c
L/100 km (mpg). Reset the average
consumption by pressing SET/CLR
when it is displayed.
This screen also displays the
average vehicle speed of the
vehicle in kilometers per hour (km/h)
or miles per hour (mph). This
average is based on the various
vehicle speeds recorded since the
last reset. This display is shown as
ckm/h (mph). Reset the average
speed by pressing SET/CLR when it
is displayed.
Power Flow (eAssist Only)
This display shows the operating
mode of the eAssist system and the
high voltage battery charge level.
The animation indicates the
direction of energy flow.

Black plate (27,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Instruments and Controls 5-27
Vehicle Information Menu
(OPTION) Items
Press MENU on the turn signal
lever until the OPTION menu is
displayed. Use
w/xto scroll
through the following menu items:
.Unit
.Tire Pressure
.Remaining Oil Life
.Jump Start (eAssist Only)
Unit
Move
w/xto switch between
metric or US when the Unit display
is active. Press SET/CLR to confirm
the setting. This will change the
displays on the cluster and DIC to
either metric or English (US)
measurements.
Tire Pressure
The display will show a vehicle with
the approximate pressures of all
four tires. Tire pressure is displayed in either kilopascal (kPa) or pounds
per square inch (psi). See
Tire
Pressure Monitor System on
page 10‑50 andTire Pressure
Monitor Operation on page 10‑51 for
more information.
Remaining Oil Life
This display shows an estimate of
the oil's remaining useful life.
If REMAINING OIL LIFE 99% is
displayed, that means 99% of the
current oil life remains.
When the remaining oil life is low,
the CHANGE ENGINE OIL SOON
message will appear on the display.
See Engine Oil Messages on
page 5‑31. The oil should be
changed as soon as possible. See
Engine Oil on page 10‑10. In
addition to the Engine Oil Life
System monitoring the oil life,
additional maintenance is
recommended in the Maintenance
Schedule in this manual. See
Maintenance Schedule on
page 11‑3 for more information. Remember, the Remaining Oil Life
display must be reset after each oil
change. It will not reset itself. Also,
be careful not to reset the
Remaining Oil Life display
accidentally at any time other than
when the oil has just been changed.
It cannot be reset accurately until
the next oil change. To reset the
Engine Oil Life System, press SET/
CLR while the Remaining Oil Life
display is active. See
Engine Oil
Life System on page 10‑12.
Jump Start (eAssist Only)
This display allows for on-board
jump starting of the vehicle. See
“Jump Starting (On-board with
eAssist Only)” for more information.
ECO Drive Assist Menu (ECO)
Items
This menu is only available on some
vehicles. Press MENU on the turn
signal lever until ECO Menu is
displayed. Use
w/xto scroll
through the following menu items:
.Best Average Fuel Economy

Black plate (28,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
5-28 Instruments and Controls
.ECO Index
.Top Consumers
Best Average Fuel Economy
The right hand side displays the
best average fuel economy (AFE)
that is achieved for a selected
distance. The left hand side displays
a running average of fuel economy
for the most recently traveled
selected distance. The center bar
graph displays the instantaneous
fuel economy. Quickly press the
SET/CLR button to display a page
for selecting one of the distance
options. Move the up/down arrow to
choose the selection, and SET/CLR
to change the setting.
When viewing best AFE, a several
second press and hold of SET/CLR
will reset the best value. The best
value will show “-.-“until the
selected distance has been
traveled.
The display provides feedback on
how current driving behavior in the
bar graph affects the running average in the left display and how
well recent driving compares to the
best that has been achieved.
ECO Index
This display shows a bar graph that
indicates how efficiently the vehicle
is being driven. For the most
efficient use of fuel, only the lower
portion of the graph should be filled.
Instant economy is also shown in L/
100 km (mpg). If the vehicle has a
manual transmission, this display
also includes an up-shift indicator.
Top Consumers
This display shows a list of the
features that are currently impacting
the fuel economy, in order from
highest to lowest. If a feature is
turned off, it will be removed from
the list.
Compass
The vehicle has a compass display
in the DIC. See
Compass on
page 5‑4 for more information.
Vehicle Messages
Messages displayed on the DIC
indicate the status of the vehicle or
some action that may be needed to
correct a condition. Multiple
messages may display one after the
other.
The messages that do not require
immediate action can be
acknowledged and cleared by
pressing SET/CLR. The messages
that require immediate action cannot
be cleared until that action is
performed. All messages should be
taken seriously and clearing the
messages does not correct the
problem.
The following are some of the
vehicle messages that may be
displayed depending on your
vehicle content.

Black plate (31,1)Buick Regal Owner Manual - 2013 - crc - 11/5/12
Instruments and Controls 5-31
HIGH COOLANT
TEMPERATURE
This message displays if the coolant
temperature is hot. SeeEngine
Overheating on page 10‑20.
Engine Oil Messages
CHANGE ENGINE OIL SOON
This message displays when the
engine oil needs to be changed.
When you change the engine oil, be
sure to reset the Oil Life System.
See Engine Oil Life System on
page 10‑12, Driver Information
Center (DIC) on page 5‑24, Engine
Oil on page 10‑10, and Maintenance
Schedule on page 11‑3.
ENGINE OIL HOT, IDLE
ENGINE
This message displays when the
engine oil temperature is too hot.
Stop and allow the vehicle to idle
until it cools down.
ENGINE OIL LOW —ADD OIL
On some vehicles, this message
may display when the engine oil
level is too low. Check the oil level.
See Engine Oil on page 10‑10.
OIL PRESSURE LOW —STOP
ENGINE
This message displays if low oil
pressure levels occur. Stop the
vehicle as soon as safely possible
and do not operate it until the cause
of the low oil pressure has been
corrected. Check the oil as soon as
possible and have the vehicle
serviced by your dealer.
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the
vehicle's engine power is reduced.
Reduced engine power can affect
the vehicle's ability to accelerate.
If this message is on, but there is no
reduction in performance, proceed
to your destination. The
performance may be reduced the next time the vehicle is driven. The
vehicle may be driven at a reduced
speed while this message is on, but
maximum acceleration and speed
may be reduced. Anytime this
message stays on, the vehicle
should be taken to your dealer for
service as soon as possible.
Fuel System Messages
FUEL LEVEL LOW
This message displays when the
vehicle is low on fuel. Refuel as
soon as possible.
Key and Lock Messages
NO REMOTE DETECTED
This message displays when the
transmitter battery is weak on
vehicles with keyless access. See
“Starting the Vehicle with a Low
Transmitter Battery”
underRemote
Keyless Entry (RKE) System
Operation on page 2‑3.

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