2020 BUICK REGAL roof

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
180 Driving and Operating
The electrical cord is located
on the passenger side of the
engine compartment, between
the fender and the air cleaner.
Check the heater cord for
damage. If it is damaged, do
not use it. See your dealer for
a replacement. Inspect the
cord for damage yearly.
3. Plug it into a normal, grounded 110-volt AC outlet.
{Warning
Improper use of the heater cord
or an extension cord can damage
the cord and may result in
overheating and fire.
. Plug the cord into a
three-prong electrical utility
receptacle that is protected
by a ground fault detection
function. An ungrounded
outlet could cause an
electric shock.
. Use a weatherproof,
heavy-duty, 15 amp-rated
extension cord if needed.
Failure to use the
recommended extension
cord in good operating
condition, or using a
damaged heater or
extension cord, could make
(Continued)
Warning (Continued)
it overheat and cause a fire,
property damage, electric
shock, and injury.
. Do not operate the vehicle
with the heater cord
permanently attached to the
vehicle. Possible heater
cord and thermostat
damage could occur.
. While in use, do not let the
heater cord touch vehicle
parts or sharp edges. Never
close the hood on the
heater cord.
. Before starting the vehicle,
unplug the cord, reattach
the cover to the plug, and
securely fasten the cord.
Keep the cord away from
any moving parts.
4. Before starting the engine, be sure to unplug and store the
cord as it was before to keep it
away from moving engine
parts.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Driving and Operating 181
The length of time the heater should
remain plugged in depends on
several factors. Ask a dealer in the
area where you will be parking the
vehicle for the best advice on this.
Retained Accessory
Power (RAP)
These vehicle accessories can be
used for up to 10 minutes after the
engine is turned off:
.Infotainment System
. Power Windows
. Sunroof (If Equipped)
. Auxiliary Power Outlet
Power to the Infotainment system
will continue to operate for up to
10 minutes or until the driver door is
opened.
Power to the power windows and
sunroof will continue to operate for
up to 10 minutes or until any door is
opened.
All of these features will work when
the ignition is on or in ACC/
ACCESSORY.
Shifting Into Park
To shift into P (Park): 1. Hold the brake pedal down and set the parking brake. See
Electric Parking Brake 0188.
2. Hold the button on the shift lever and push the lever toward
the front of the vehicle into
P (Park).
3. Turn the ignition off.
Leaving the Vehicle with the
Engine Running
{Warning
It can be dangerous to leave the
vehicle with the engine running.
It could overheat and catch fire.
It is dangerous to get out of the
vehicle if the shift lever is not fully
in P (Park) with the parking brake
firmly set. The vehicle can roll. (Continued)
Warning (Continued)
Do not leave the vehicle when the
engine is running. If you have left
the engine running, the vehicle
can move suddenly. You or others
could be injured. To be sure the
vehicle will not move, even when
you are on fairly level ground,
always set the parking brake and
move the shift lever to P (Park).
SeeShifting Into Park 0181.
If you have to leave the vehicle with
the engine running, the vehicle must
be in P (Park) and the parking
brake set.
Release the button and check that
the shift lever cannot be moved out
of P (Park).
Torque Lock
Torque lock is when the weight of
the vehicle puts too much force on
the parking pawl in the
transmission. This happens when
parking on a hill and shifting the
transmission into P (Park) is not

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Vehicle Care 261
FusesUsage
12 Rear window defogger
13 Heated mirrors
14 –
15 –
16 Front wipers
17 Passenger power seat
18 Sunshade
19 Driver power seat
21 Sunroof
22 Rear wiper
23 Auto headlamp leveling
24 –
26 Transmission control module/Ignition
27 Instrument panel/ Ignition
28 –
29 Rear vision camera/ Ventilation Fuses
Usage
30 Malfunction indicator lamp/Shift solenoid
32 Canister vent/Video processing module
33 Front heated seats
34 Rear heated seats
35 All wheel drive damping control
36 Fuel module
38 –
39 –
40 Steering column lock
41 –
43 Heated steering wheel
44 Headlamp leveling
45 –
46 Engine control module/Ignition
47 –
48 Cooling fan/DC DC converter 2 Fuses
Usage
49 RDCM
50 –
51 –
52 –
53 –
54 –
55 –
56 Starter
57 –
58 –
59 Left LED lamps
60 Cooling fan
61 –
62 –
63 –
65 A/C HEV
67 –
68 –

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Service and Maintenance 325
parts, or signs of wear at least
once a year. SeeExterior Care
0 313.
. Inspect power steering for
proper attachment, connections,
binding, leaks, cracks,
chafing, etc.
. Visually inspect halfshafts and
drive shafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or
universal joint looseness,
cracked or missing boots, loose
or missing boot clamps, center
bearing excessive looseness,
loose or missing fasteners, and
axle seal leaks.
. Check restraint system
components. See Safety System
Check 058.
. Visually inspect fuel system for
damage or leaks.
. Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts. .
Lubricate body components. See
Exterior Care 0313.
. Check starter switch. See Starter
Switch Check 0252.
. Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check
0252.
. Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check
0 252.
. Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
. Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. If the hold
open is low, service the gas
strut. See Gas Strut(s) 0254. .
Check tire sealant expiration
date, if equipped. See Tire
Sealant and Compressor Kit
0 287 or
Tire Sealant and Compressor Kit
0 293.
. Inspect sunroof track and seal,
if equipped. See Sunroof035.

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
Index 373
RestraintsWhere to Put . . . . . . . . . . . . . . . . . . . 77
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . 181
Reverse Tilt Mirrors . . . . . . . . . . . . . . 32
Ride Control Systems Selective . . . . . . . . . . . . . . . . . . . . . 192
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 168
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . . 344
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 35
Roof Rack System . . . . . . . . . . . . . . . 98
Rotation, Tires . . . . . . . . . . . . . . . . . . 279
Routing, Engine Drive Belt . . . . . . 339
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . 184
S
Safety Defects ReportingCanadian Government . . . . . . . . 351
General Motors . . . . . . . . . . . . . . . 351
U.S. Government . . . . . . . . . . . . . 350
Safety Locks . . . . . . . . . . . . . . . . . . . . . 20
Safety System Check . . . . . . . . . . . . 58
Scheduling Appointments . . . . . . . 346
Sealant Kit, Tire . . . . . . . . . . . 287, 293 Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 52
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Extender . . . . . . . . . . . . . . . . . . . . . . . . 58
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . 53
Lap-Shoulder Belt . . . . . . . . . . . . . . 55
Reminders . . . . . . . . . . . . . . . . . . . . .117
Replacing after a Crash . . . . . . . . 59
Use During Pregnancy . . . . . . . . . . 57
Seats Adjustment, Front . . . . . . . . . . . . . . . 41
Head Restraints . . . . . . . . . . . . . . . . 39
Heated and Ventilated Front . . . . 48
Lumbar Adjustment, Front . . . . . . 43
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 45
Power Adjustment, Front . . . . . . . 42
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Reclining Seatbacks . . . . . . . . . . . . 44
Seats and Restraints Pedestrian ProtectionSystem . . . . . . . . . . . . . . . . . . . . . . . . 90
Securing Child Restraints . . . . 86, 88
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 127
OnStar . . . . . . . . . . . . . . . . . . . . . . . 356
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 29
Vehicle Alarm . . . . . . . . . . . . . . . . . . . 29
Selective Ride Control . . . . . . . . . . 192 Service . . . . . . . . . . . . . . . . . . . . . . . . . 162
Accessories and
Modifications . . . . . . . . . . . . . . . . 232
Doing Your Own Work . . . . . . . . 232
Maintenance Records . . . . . . . . 335
Maintenance, General Information . . . . . . . . . . . . . . . . . . 322
Parts Identification Label . . . . . 336
Scheduling Appointments . . . . . 346
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . 122
Services Special Application . . . . . . . . . . . 329
Servicing the Airbag . . . . . . . . . . . . . 70
Shift Lock Control Function Check, Automatic
Transmission . . . . . . . . . . . . . . . . . . 252
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 181
Out of Park . . . . . . . . . . . . . . . . . . . 182
Side Blind Zone Alert (SBZA) . . . 213
Signals, Turn and
Lane-Change . . . . . . . . . . . . . . . . . 150
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . . 305
Special Application Services . . . . 329
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . . 337

Buick Regal Owner Manual (GMNA-Localizing-U.S./Canada-13557849) -
2020 - CRC - 6/25/19
374 Index
Speedometer . . . . . . . . . . . . . . . . . . . 113
StabiliTrakOFF Light . . . . . . . . . . . . . . . . . . . . . 124
Start Assist, Hill . . . . . . . . . . . . . . . . . 190
Start Vehicle, Remote . . . . . . . . . . . 15
Starter Switch Check . . . . . . . . . . . 252
Starting the Engine . . . . . . . . . . . . . 177
Steering . . . . . . . . . . . . . . . . . . . . . . . . 166 Heated Wheel . . . . . . . . . . . . . . . . 100
Wheel Adjustment . . . . . . . . . . . . 100
Wheel Controls . . . . . . . . . . . . . . . 100
Stop/Start System . . . . . . . . . . . . . . 178
Stoplamps and Back-up Lamps Bulb Replacement . . . . . . . . . . . . 257
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . 95
Cargo Cover . . . . . . . . . . . . . . . . . . . . 96
Convenience Net . . . . . . . . . . . . . . . 97
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Glove Box . . . . . . . . . . . . . . . . . . . . . . 94
Roof Rack System . . . . . . . . . . . . . . 98
Sunglasses . . . . . . . . . . . . . . . . . . . . . 95
Storage Compartments . . . . . . . . . . 94
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . 300
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Stuck Vehicle . . . . . . . . . . . . . . . . . . . 171
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 35
Sunglass Storage . . . . . . . . . . . . . . . . 95
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward Collision
Alert (FCA) . . . . . . . . . . . . . . . . . . 207
Infotainment . . . . . . . . . . . . . 155, 353
Roof Rack . . . . . . . . . . . . . . . . . . . . . . 98
Systems
Driver Assistance . . . . . . . . . . . . . 203
T
Tachometer . . . . . . . . . . . . . . . . . . . . . 113
TaillampsBulb Replacement . . . . . . . . . . . . 257
Text Telephone (TTY) Users . . . . 343
Theft-Deterrent Systems . . . . . . . . . 30 Immobilizer . . . . . . . . . . . . . . . . . . . . . 30
Thigh Support Adjustment . . . . . . . 43
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
All-Season . . . . . . . . . . . . . . . . . . . . 266
Buying New Tires . . . . . . . . . . . . . 280
Chains . . . . . . . . . . . . . . . . . . . . . . . . 285
Changing . . . . . . . . . . . . . . . . . . . . . 301
Compact Spare . . . . . . . . . . . . . . . 305 Tires (cont'd)
Designations . . . . . . . . . . . . . . . . . 269
Different Size . . . . . . . . . . . . . . . . . 282
If a Tire Goes Flat . . . . . . . . . . . . 285
Inspection . . . . . . . . . . . . . . . . . . . . 278
Low Profile . . . . . . . . . . . . . . . . . . . 266
Pressure . . . . . . . . . . . . . . . . . 272, 273
Pressure Light . . . . . . . . . . . . . . . . 125
Pressure Monitor Operation . . 275
Pressure Monitor System . . . . . 274
Rotation . . . . . . . . . . . . . . . . . . . . . . 279
Sealant and
Compressor Kit . . . . . . . . 287, 293
Sealant and Compressor
Kit, Storing . . . . . . . . . . . . . . . . . . 300
Sidewall Labeling . . . . . . . . . . . . . 267
Terminology and Definitions . . 269
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 282
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 284
Wheel Replacement . . . . . . . . . . 284
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . 280
Winter . . . . . . . . . . . . . . . . . . . . . . . . 266
Top Tier Fuel . . . . . . . . . . . . . . . . . . . 217