Black plate (1,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
2015 Buick Regal Owner ManualM
In Brief. . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . 1-14
eAssist Features . . . . . . . . . . . . . 1-19
Performance and
Maintenance . . . . . . . . . . . . . . . . 1-21
Keys, Doors, and Windows . . . . . . . . . . . . . . . . . . . . 2-1
Keys and Locks . . . . . . . . . . . . . . . 2-1
Doors . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Vehicle Security . . . . . . . . . . . . . . 2-15
Exterior Mirrors . . . . . . . . . . . . . . . 2-18
Interior Mirrors . . . . . . . . . . . . . . . . 2-19
Windows . . . . . . . . . . . . . . . . . . . . . 2-20
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Seats and Restraints . . . . . . . . . 3-1
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats . . . . . . . . . . . . . . . . . . . . 3-3
Rear Seats . . . . . . . . . . . . . . . . . . . . 3-9
Safety Belts . . . . . . . . . . . . . . . . . . 3-10
Airbag System . . . . . . . . . . . . . . . . 3-17
Child Restraints . . . . . . . . . . . . . . 3-30 Storage
. . . . . . . . . . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1
Additional Storage Features . . . 4-3
Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . . 5-7
Information Displays . . . . . . . . . . 5-31
Vehicle Messages . . . . . . . . . . . . 5-38
Vehicle Personalization . . . . . . . 5-47
Universal Remote System . . . . 5-53
Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . . . . . . . . . . . 6-5
Lighting Features . . . . . . . . . . . . . . 6-6
Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . . . . . . . . . . . . 7-1 Climate Controls
. . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-6
Maintenance . . . . . . . . . . . . . . . . . . . 8-6
Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-14
Engine Exhaust . . . . . . . . . . . . . . 9-25
Automatic Transmission . . . . . . 9-26
Manual Transmission . . . . . . . . . 9-29
Drive Systems . . . . . . . . . . . . . . . . 9-31
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-31
Ride Control Systems . . . . . . . . 9-35
Cruise Control . . . . . . . . . . . . . . . . 9-38
Driver Assistance Systems . . . 9-48
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-59
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-64
Conversions and Add-Ons . . . 9-65
Black plate (1,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
In Brief 1-1
In Brief
Instrument Panel
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information
Initial Drive Information . . . . . . . . 1-4
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . 1-4
Remote Vehicle Start . . . . . . . . . 1-5
Door Locks . . . . . . . . . . . . . . . . . . . 1-5
Trunk Release . . . . . . . . . . . . . . . . 1-6
Windows . . . . . . . . . . . . . . . . . . . . . . 1-6
Seat Adjustment . . . . . . . . . . . . . . 1-7
Memory Features . . . . . . . . . . . . . 1-8
Heated Seats . . . . . . . . . . . . . . . . . 1-8
Head Restraint Adjustment . . . . 1-9
Safety Belts . . . . . . . . . . . . . . . . . . . 1-9
Passenger Sensing System . . . 1-9
Mirror Adjustment . . . . . . . . . . . . 1-10
Steering Wheel Adjustment . . . . . . . . . . . . . . . . . 1-10
Interior Lighting . . . . . . . . . . . . . . 1-11
Exterior Lighting . . . . . . . . . . . . . 1-12 Windshield Wiper/Washer . . . . 1-12
Climate Controls . . . . . . . . . . . . . 1-13
Transmission . . . . . . . . . . . . . . . . 1-14
Vehicle Features
Infotainment System . . . . . . . . . 1-14
Steering Wheel Controls . . . . . 1-14
Cruise Control . . . . . . . . . . . . . . . 1-15
Driver Information
Center (DIC) . . . . . . . . . . . . . . . 1-15
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . 1-16
Lane Departure Warning (LDW) . . . . . . . . . . . . . 1-16
Lane Change Alert (LCA) . . . . 1-16
Rear Vision Camera (RVC) . . . . . . . . . . . . . 1-16
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . 1-16
Parking Assist . . . . . . . . . . . . . . . 1-17
Active Emergency Braking System . . . . . . . . . . . . . . . . . . . . . 1-17
Power Outlets . . . . . . . . . . . . . . . 1-17
Universal Remote System . . . 1-18
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-18
eAssist Features
eAssist®Overview . . . . . . . . . . . 1-19
High Voltage Safety Information . . . . . . . . . . . . . . . . . 1-19
Automatic Engine Start/Stop Feature . . . . . . . . . . . . . . . . . . . . . 1-20
Regenerative Braking . . . . . . . . 1-20
Battery . . . . . . . . . . . . . . . . . . . . . . . 1-20
Service . . . . . . . . . . . . . . . . . . . . . . 1-20
Performance and Maintenance
Traction Control/Electronic Stability Control . . . . . . . . . . . . 1-21
Tire Pressure Monitor . . . . . . . . 1-21
Engine Oil Life System . . . . . . 1-22
E85 or FlexFuel . . . . . . . . . . . . . . 1-22
Driving for Better Fuel Economy . . . . . . . . . . . . . . . . . . . 1-22
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . 1-23
OnStar
®. . . . . . . . . . . . . . . . . . . . . 1-23
Black plate (3,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
In Brief 1-3
1.Exterior Lamp Controls on
page 6-1.
Fog Lamps on page 6-4 (If
Equipped).
Instrument Panel Illumination
Control on page 6-5.
2. Air Vents on page 8-6.
3. Turn Signal Lever. See Turn and
Lane-Change Signals on
page 6-4.
4. Cruise Control on page 9-38 (If
Equipped).
Adaptive Cruise Control on
page 9-40 (If Equipped).
Heated Steering Wheel on
page 5-2 (If Equipped).
Forward Collision Alert (FCA)
System on page 9-52 (If
Equipped).
5. Instrument Cluster (Uplevel
Cluster) on page 5-12 or
Instrument Cluster (Base Level
Cluster) on page 5-8. Driver Information Center
Display. See
Driver Information
Center (DIC) (Base Level
Cluster) on page 5-32 orDriver
Information Center (DIC)
(Uplevel Cluster) on page 5-35.
6. Steering Wheel Controls on
page 5-2 (If Equipped).
Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) (Base Level
Cluster) on page 5-32 orDriver
Information Center (DIC)
(Uplevel Cluster) on page 5-35.
7. Windshield Wiper/Washer on
page 5-3.
8. Infotainment on page 7-1.
9. Traction Control/Electronic
Stability Control on page 9-35.
Hazard Warning Flashers on
page 6-3.
GS/Sport Button (If Equipped).
See Selective Ride Control on
page 9-37. Rear Parking Assist Button (If
Equipped). See
Assistance
Systems for Parking or Backing
on page 9-49.
Lane Departure Warning (LDW)
on page 9-58 (If Equipped).
10. Light Sensor. See Automatic
Headlamp System on
page 6-2.
11. Instrument Panel Storage on
page 4-1.
12. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5-20.
13. Hood Release. See Hood on
page 10-5.
14. Steering Wheel Adjustment on
page 5-2.
15. Horn on page 5-3.
16. Ignition Positions (Key Access)
on page 9-15 orIgnition
Positions (Keyless Access) on
page 9-16.
17. Heated Front Seats on
page 3-8 (If Equipped).
Black plate (7,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
In Brief 1-7
Seat Adjustment
Manual Seats
1. Seatback Recline Lever
2. Height Adjustment Switch
3. Seat Position Handle
To adjust the seat position:
1. Pull the handle (3) under thefront of the seat cushion. 2. Slide the seat to the desired
position and release the
handle (3).
3. Try to move the seat back and forth to be sure it is locked in
place.
Press and hold the top or bottom of
the switch (2) to raise or lower the
seat. Release the switch (2) when
the desired height is reached.
To raise or recline the seatback, use
the lever (1) on the outboard side of
the seat.
See Seat Adjustment on page 3-3
and Reclining Seatbacks on
page 3-5.
Power Seats
1. Seat Adjustment Control
2. Reclining Seatbacks
3. Lumbar Adjustment
To adjust a power seat, if equipped:
.Move the seat forward or
rearward by sliding the
control (1) forward or rearward.
.Raise or lower the front or rear
part of the seat cushion by
moving the front or rear of the
control (1) up or down.
Black plate (8,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
1-8 In Brief
.Raise or lower the entire seat by
moving the control (1) up
or down.
See Power Seat Adjustment on
page 3-4.
To raise or recline the seatback, tilt
the top of the control (2) forward or
rearward. See Reclining Seatbacks
on page 3-5.
Press the top or bottom of the
control (3) to increase or decrease
lumbar support. See Lumbar
Adjustment on page 3-4.Memory Features
If equipped, the MEM, “1,”and “2”
buttons on the outboard side of the
driver seat are used to manually
save and recall the driver seat and
outside mirror positions.
See Memory Seats on page 3-6 and
Vehicle Personalization on
page 5-47.
Heated Seats
If equipped, the buttons are part of
the climate control system on the
center stack. To operate, the ignition
and the climate control system must
be on. If the climate control system
is off, press the
Obutton to turn
it on.
Press
MorLto heat the driver or
passenger seat.
Press the button once for the
highest setting. With each press of
the button, the seat will change to
Black plate (9,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
In Brief 1-9
the next lower setting, and then to
the off setting. The lights near the
heated seat symbol on the display
indicate three for the highest setting
and one for the lowest.
SeeHeated Seats on page 1-8.
Head Restraint
Adjustment
Do not drive until the head restraints
for all occupants are installed and
adjusted properly.
To achieve a comfortable seating
position, change the seatback
recline angle as little as necessary
while keeping the seat and the head
restraint height in the proper
position.
SeeHead Restraints on page 3-2
and Seat Adjustment on page 3-3.
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly:
.Safety Belts on page 3-10.
.How to Wear Safety Belts
Properly on page 3-12.
.Lap-Shoulder Belt on page 3-13.
.Lower Anchors and Tethers for
Children (LATCH System) on
page 3-37.
Passenger Sensing
System
The passenger sensing system
turns off the front outboard
passenger frontal airbag under
certain conditions. No other airbag
is affected by the passenger
sensing system.
The passenger airbag status
indicator will be visible on the
instrument panel when the vehicle is
started. See Passenger Sensing
System on page 3-23 for important
information.
Black plate (13,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
In Brief 1-13
INT:Move the lever up to INT for
intermittent wipes, then turn
the
xINT band up for more
frequent wipes or down for less
frequent wipes.
OFF: Use to turn the wipers off.
1X : For a single wipe, briefly move
the lever down. For several wipes,
hold the lever down.
n L: Pull the lever toward you to
spray windshield washer fluid and
activate the wipers.
See Windshield Wiper/Washer on
page 5-3.
Climate Controls
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
1. Driver and Passenger Temperature Controls
2. Heated Front Seats (If Equipped)
3. Defrost 4. Air Delivery Mode Controls
5. Fan Control
6. Power
7. Rear Window Defogger
Black plate (9,1)Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
7576024) - 2015 - CRC - 9/15/14
Keys, Doors, and Windows 2-9
Battery Replacement
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC. See
Key and Lock Messages on
page 5-42.
{Caution
When replacing the battery, do
not touch any of the circuitry on
the transmitter. Static from your
body could damage the
transmitter.
The battery is not rechargeable. To
replace the battery:
1. Press the button on the transmitter to extend the key.
2. Remove the battery cover by prying it with a finger.
3. Remove the battery by pushing on the battery and sliding it
toward the key blade. 4. Insert the new battery, positive
side facing up. Push the battery
down until it is held in place.
Replace with a CR2032 or
equivalent battery.
5. Snap the battery cover back on to the transmitter.
Remote Vehicle Start
If equipped, this feature that allows
the engine to be started from
outside the vehicle.
/(Remote Vehicle Start): This
button will be on the RKE
transmitter if the vehicle has remote
start.
The climate control system will use
the previous settings during a
remote start. The rear defog may
come on during remote start based
on cold ambient conditions. The
rear fog indicator light does not
come on during remote start. If the
vehicle has heated seats, they may
come on during a remote start. See
Heated Front Seats on page 3-8. Laws in some local communities
may restrict the use of remote
starters. For example, some laws
require a person using remote start
to have the vehicle in view. Check
local regulations for any
requirements.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE)
System on page 2-2.
Starting the Vehicle
To start the engine using the remote
start feature:
1. Press and release
Q.
2. Immediately press and hold
/
for at least four seconds or until
the turn signal lamps flash. The
turn signal lamps flashing
confirms the request to remote
start the vehicle has been
received.